UK FLIGHT DELAY INDEX

derived from CAA punctuality statistics for UK reporting airports

How often are these flights late or cancelled?

LPL ↔ ISLE OF MAN

In the twelve months from July 2025 to June 2026, 21.0% of 1,042 movements arriving into LPL were disrupted — that is, they landed more than fifteen minutes late or were cancelled at short notice.

Put the other way round, 79.0% of 1,042 movements arrived on time by the industry's fifteen-minute standard. Severe delays were rarer: about one arrival in every 116 crossed the three-hour mark. Lower is better on every figure on this page. These numbers describe what happened on the route; they are not a prediction for any individual flight.

Definitions, denominators and limits
  • “Disrupted” means an arrival more than fifteen minutes late or a short-notice cancellation. The denominator is operated movements plus short-notice cancellations.
  • Arrivals into the UK airport only; all published carriers.
  • Crossing three hours is one condition for compensation, but monthly data cannot establish any individual passenger’s rights.
  • Delay cause is not published in the open data.
  • Source: CAA punctuality statistics · snapshot 17/08/2026 10:24 · method route-record-v2.1.

0 operations (0.00%) excluded because their published percentages could not be reconciled to whole numbers. Excluded operations enter neither the numerator nor the denominator. Outcome figures and comparisons are unavailable when the excluded share exceeds fifteen percent.

The four numbers at a glance

In the twelve months from July 2025 to June 2026, 21.0% of 1,042 movements were disrupted and 2.8% of 1,042 movements were cancelled at short notice.

When a flight was late, it was typically late by the range shown below. The delay is given as a range, not a single number, because the regulator rounds its published percentages and never says how many flights landed exactly on time.

Disruption shareShort-notice cancellationsAverage delay among delayed flights only — boundsOperations
21.0% of 1,042 movements2.8% of 1,042 movements25.4–70.3 min; N of delayed flights=190–4871,042
Definitions, denominators and limits

The bounds account for CAA rounding and the unknown number of zero delays. A point average across all operated movements, including punctual ones, would answer a different question and is not used here.

When it is late, how late is it?

Most delays here are short. The ladder below shows how many arrivals crossed each threshold, from a quarter of an hour up to six hours; each rung can only be smaller than the one above it.

Cancellations are counted separately: 2.8% of 1,042 movements. “One in N” means how many arrivals you would typically see between events at that level.

Delay threshold ladder; count and share of known operations15 min18.2%30 min10.9%60 min5.3%120 min1.7%180 min0.9%360 min0.1%
Delay ladder table: share, movements and one-in-N
DelayShare and nMovementsOne delay in every N operations
>15 min18.2% of 1,042 movements1905.5
>30 min10.9% of 1,042 movements1149.1
>60 min5.3% of 1,042 movements5518.9
>120 min1.7% of 1,042 movements1857.9
>180 min0.9% of 1,042 movements9115.8
>360 min0.1% of 1,042 movements11,042.0
Definitions, denominators and limits

CAA counts delays strictly greater than each threshold, so exactly three hours is inseparable from the previous bucket. The ladder describes the archive, not a forecast.

Slightly late, or occasionally a disaster?

This route runs late less often than most, but when it does go wrong it tends to go badly wrong: its long delays are heavier than on the typical UK route.

The histogram below counts every recorded arrival, from more than fifteen minutes early through to more than six hours late. A tall bar near the middle and a thin right-hand tail is the healthy shape.

Nine delay buckets, minutes; share of all recorded operations>15 early726.9%15–1 early45443.6%0–15 late29728.5%16–30767.3%31–60595.7%61…120373.6%121…18090.9%181…36080.8%>36010.1%D=1,042
Definitions, denominators and limits

Ratio of the long tail to sixteen-to-sixty-minute delays: 0.0667; corpus median 0.0217; 2056 routes in the corpus. The shape is compared conditionally among delays; the class name does not measure absolute frequency. Histogram counts and shares cover all recorded operations including unmatched records; reconstructed uniquely.

Has this route got better or worse since 2018?

Best month: Jul 2020, no events in 50 movements. Worst month: Mar 2023, 44.9% of 98 movements.

The line traces every month in the archive; lower is better. Gaps are months with no published data, never zeros. The 2020 and 2021 readings reflect the pandemic, not normal service.

Monthly disruption share; gaps mean no published dataJan 2018: 11.8%; sample: 1442018Feb 2018: 24.3%; sample: 140Mar 2018: 17.4%; sample: 155Apr 2018: 11.6%; sample: 147May 2018: 13.8%; sample: 160Jun 2018: 9.8%; sample: 164Jul 2018: 15.6%; sample: 160Aug 2018: 8.1%; sample: 160Sep 2018: 10.7%; sample: 149Oct 2018: 12.8%; sample: 156Nov 2018: 16.5%; sample: 158Dec 2018: 9.0%; sample: 156Jan 2019: 9.8%; sample: 1532019Feb 2019: 13.9%; sample: 144Mar 2019: 12.2%; sample: 164Apr 2019: 10.1%; sample: 129May 2019: 8.8%; sample: 136Jun 2019: 23.7%; sample: 135Jul 2019: 20.1%; sample: 134Aug 2019: 16.8%; sample: 131Sep 2019: 8.3%; sample: 121Oct 2019: 11.6%; sample: 129Nov 2019: 8.8%; sample: 125Dec 2019: 14.8%; sample: 128Jan 2020: 13.9%; sample: 1222020Feb 2020: 21.0%; sample: 124Mar 2020: 23.0%; sample: 100Apr 2020: 2.1%; sample: 48May 2020: 0.0%; sample: 47Jun 2020: 22.9%; sample: 48Jul 2020: 0.0%; sample: 50Aug 2020: 6.4%; sample: 47Sep 2020: 8.3%; sample: 48Oct 2020: 16.7%; sample: 48Nov 2020: 6.5%; sample: 46Dec 2020: 13.3%; sample: 45Jan 2021: 4.4%; sample: 452021Feb 2021: 11.4%; sample: 44Mar 2021: 8.0%; sample: 50Apr 2021: 14.3%; sample: 49May 2021: 14.9%; sample: 47Jun 2021: 6.2%; sample: 48Jul 2021: 13.8%; sample: 65Aug 2021: 18.2%; sample: 77Sep 2021: 20.8%; sample: 72Oct 2021: 35.5%; sample: 76Nov 2021: 20.4%; sample: 103Dec 2021: 16.3%; sample: 98Jan 2022: 8.4%; sample: 832022Feb 2022: 28.0%; sample: 93Mar 2022: 15.9%; sample: 107Apr 2022: 19.8%; sample: 86May 2022: 30.4%; sample: 92Jun 2022: 35.0%; sample: 100Jul 2022: 30.2%; sample: 96Aug 2022: 20.2%; sample: 99Sep 2022: 27.4%; sample: 95Oct 2022: 24.7%; sample: 97Nov 2022: 38.7%; sample: 75Dec 2022: 39.0%; sample: 82Jan 2023: 20.3%; sample: 792023Feb 2023: 14.6%; sample: 82Mar 2023: 44.9%; sample: 98Apr 2023: 26.7%; sample: 105May 2023: 19.8%; sample: 106Jun 2023: 38.4%; sample: 112Jul 2023: 30.7%; sample: 101Aug 2023: 17.6%; sample: 102Sep 2023: 27.3%; sample: 99Oct 2023: 22.3%; sample: 103Nov 2023: 24.5%; sample: 94Dec 2023: 25.8%; sample: 97Jan 2024: 21.1%; sample: 762024Feb 2024: 25.5%; sample: 94Mar 2024: 12.2%; sample: 98Apr 2024: 29.2%; sample: 72May 2024: 18.9%; sample: 95Jun 2024: 18.8%; sample: 101Jul 2024: 10.6%; sample: 94Aug 2024: 23.9%; sample: 92Sep 2024: 18.7%; sample: 91Oct 2024: 22.3%; sample: 94Nov 2024: 31.9%; sample: 94Dec 2024: 32.7%; sample: 104Jan 2025: 33.7%; sample: 862025Feb 2025: 23.7%; sample: 93Mar 2025: 21.4%; sample: 103Apr 2025: 17.6%; sample: 68May 2025: 17.4%; sample: 86Jun 2025: 18.7%; sample: 91Jul 2025: 17.3%; sample: 75Aug 2025: 20.3%; sample: 74Sep 2025: 22.9%; sample: 70Oct 2025: 33.8%; sample: 80Nov 2025: 15.3%; sample: 98Dec 2025: 21.2%; sample: 104Jan 2026: 30.0%; sample: 802026Feb 2026: 18.7%; sample: 91Mar 2026: 16.8%; sample: 107Apr 2026: 16.4%; sample: 73May 2026: 17.2%; sample: 93Jun 2026: 24.7%; sample: 97Pandemic regime Jun 2020Summer 2022 breakdown Jul 2022NATS system failure Aug 2023Heathrow fire closure Mar 2025100%0%
Every month since 2018, including gaps and suppressed cells
MonthDisruption on arrivals
Jan 201811.8% of 144 movements
Feb 201824.3% of 140 movements
Mar 201817.4% of 155 movements
Apr 201811.6% of 147 movements
May 201813.8% of 160 movements
Jun 20189.8% of 164 movements
Jul 201815.6% of 160 movements
Aug 20188.1% of 160 movements
Sep 201810.7% of 149 movements
Oct 201812.8% of 156 movements
Nov 201816.5% of 158 movements
Dec 20189.0% of 156 movements
Jan 20199.8% of 153 movements
Feb 201913.9% of 144 movements
Mar 201912.2% of 164 movements
Apr 201910.1% of 129 movements
May 20198.8% of 136 movements
Jun 201923.7% of 135 movements
Jul 201920.1% of 134 movements
Aug 201916.8% of 131 movements
Sep 20198.3% of 121 movements
Oct 201911.6% of 129 movements
Nov 20198.8% of 125 movements
Dec 201914.8% of 128 movements
Jan 202013.9% of 122 movements
Feb 202021.0% of 124 movements
Mar 202023.0% of 100 movements
Apr 20202.1% of 48 movements — small sample, not ranked
May 2020no events in 47 movements — small sample, not ranked
Jun 202022.9% of 48 movements — small sample, not ranked
Jul 2020no events in 50 movements
Aug 20206.4% of 47 movements — small sample, not ranked
Sep 20208.3% of 48 movements — small sample, not ranked
Oct 202016.7% of 48 movements — small sample, not ranked
Nov 20206.5% of 46 movements — small sample, not ranked
Dec 202013.3% of 45 movements — small sample, not ranked
Jan 20214.4% of 45 movements — small sample, not ranked
Feb 202111.4% of 44 movements — small sample, not ranked
Mar 20218.0% of 50 movements
Apr 202114.3% of 49 movements — small sample, not ranked
May 202114.9% of 47 movements — small sample, not ranked
Jun 20216.2% of 48 movements — small sample, not ranked
Jul 202113.8% of 65 movements
Aug 202118.2% of 77 movements
Sep 202120.8% of 72 movements
Oct 202135.5% of 76 movements
Nov 202120.4% of 103 movements
Dec 202116.3% of 98 movements
Jan 20228.4% of 83 movements
Feb 202228.0% of 93 movements
Mar 202215.9% of 107 movements
Apr 202219.8% of 86 movements
May 202230.4% of 92 movements
Jun 202235.0% of 100 movements
Jul 202230.2% of 96 movements
Aug 202220.2% of 99 movements
Sep 202227.4% of 95 movements
Oct 202224.7% of 97 movements
Nov 202238.7% of 75 movements
Dec 202239.0% of 82 movements
Jan 202320.3% of 79 movements
Feb 202314.6% of 82 movements
Mar 202344.9% of 98 movements
Apr 202326.7% of 105 movements
May 202319.8% of 106 movements
Jun 202338.4% of 112 movements
Jul 202330.7% of 101 movements
Aug 202317.6% of 102 movements
Sep 202327.3% of 99 movements
Oct 202322.3% of 103 movements
Nov 202324.5% of 94 movements
Dec 202325.8% of 97 movements
Jan 202421.1% of 76 movements
Feb 202425.5% of 94 movements
Mar 202412.2% of 98 movements
Apr 202429.2% of 72 movements
May 202418.9% of 95 movements
Jun 202418.8% of 101 movements
Jul 202410.6% of 94 movements
Aug 202423.9% of 92 movements
Sep 202418.7% of 91 movements
Oct 202422.3% of 94 movements
Nov 202431.9% of 94 movements
Dec 202432.7% of 104 movements
Jan 202533.7% of 86 movements
Feb 202523.7% of 93 movements
Mar 202521.4% of 103 movements
Apr 202517.6% of 68 movements
May 202517.4% of 86 movements
Jun 202518.7% of 91 movements
Jul 202517.3% of 75 movements
Aug 202520.3% of 74 movements
Sep 202522.9% of 70 movements
Oct 202533.8% of 80 movements
Nov 202515.3% of 98 movements
Dec 202521.2% of 104 movements
Jan 202630.0% of 80 movements
Feb 202618.7% of 91 movements
Mar 202616.8% of 107 movements
Apr 202616.4% of 73 movements
May 202617.2% of 93 movements
Jun 202624.7% of 97 movements

What did the big disruptions actually do here?

Each named event below is shown against this route’s own baseline for the twelve months before it, and against how long the route took to get back to that baseline.

A month worse than baseline is not proof the named event caused it: the open data carry no delay-cause field at all. Some events sit near the edge of the archive, which limits how long a recovery can be traced.

EventDirectionDisruption that monthBaseline beforeReturn to baseline
Pandemic regime · Jun 2020Arrivals22.9% of 48 movements — small sample, not ranked13.7% across 1,344 flightsreturned the next month
Pandemic regime · Jun 2020Departures25.0% of 48 movements — small sample, not ranked9.7% across 1,344 flightsreturned the next month
Summer 2022 breakdown · Jul 2022Arrivals30.2% of 96 movements21.9% across 1,052 flightsreturned the next month
Summer 2022 breakdown · Jul 2022Departures32.0% of 97 movements18.5% across 1,050 flightsreturned the next month
NATS system failure · Aug 2023Arrivals17.6% of 102 movements28.8% across 1,131 flightsreturned the next month
NATS system failure · Aug 2023Departures11.8% of 102 movements25.1% across 1,134 flightsreturned the next month
Heathrow fire closure · Mar 2025Arrivals21.4% of 103 movements23.1% across 1,114 flightsreturned the next month
Heathrow fire closure · Mar 2025Departures8.7% of 103 movements23.9% across 1,118 flightsreturned the next month
Definitions, denominators and limits

The baseline is the unweighted mean share over the twelve preceding calendar months. The return window is the following eight months, up to the end of the archive. Return means the first observed value at or below the baseline; it is not the duration of the disruption itself. If the event month is already below the baseline, counting still starts the month after. Gaps and suppressed cells are not treated as zeros or as recovery.

Which time of year has historically been hardest?

June has historically been the hardest month on this route: in a typical June, 23.7% of arrivals were disrupted, measured across 7 Junes in the archive. March has been the calmest, at 16.8% across 7 Marchs.

Even June has ranged from 9.8% to 38.4% in different years, so this is a record of what happened, not a forecast of what will. Lower is better throughout.

Each cell is one calendar month of one year; the number is the share of that month’s arrivals that were disrupted. Darker means worse. A blank cell means no published data, not zero.

Seasonality: calendar month by year; share and nJanFebMarAprMayJunJulAugSepOctNovDec20199.8% of 153 movements13.9% of 144 movements12.2% of 164 movements10.1% of 129 movements8.8% of 136 movements23.7% of 135 movements20.1% of 134 movements16.8% of 131 movements8.3% of 121 movements11.6% of 129 movements8.8% of 125 movements14.8% of 128 movements202013.9% of 122 movements21.0% of 124 movements23.0% of 100 movements2.1% of 48 movements †no events in 47 movements †22.9% of 48 movements †no events in 50 movements6.4% of 47 movements †8.3% of 48 movements †16.7% of 48 movements †6.5% of 46 movements †13.3% of 45 movements †20214.4% of 45 movements †11.4% of 44 movements †8.0% of 50 movements14.3% of 49 movements †14.9% of 47 movements †6.2% of 48 movements †13.8% of 65 movements18.2% of 77 movements20.8% of 72 movements35.5% of 76 movements20.4% of 103 movements16.3% of 98 movements20228.4% of 83 movements28.0% of 93 movements15.9% of 107 movements19.8% of 86 movements30.4% of 92 movements35.0% of 100 movements30.2% of 96 movements20.2% of 99 movements27.4% of 95 movements24.7% of 97 movements38.7% of 75 movements39.0% of 82 movements202320.3% of 79 movements14.6% of 82 movements44.9% of 98 movements26.7% of 105 movements19.8% of 106 movements38.4% of 112 movements30.7% of 101 movements17.6% of 102 movements27.3% of 99 movements22.3% of 103 movements24.5% of 94 movements25.8% of 97 movements202421.1% of 76 movements25.5% of 94 movements12.2% of 98 movements29.2% of 72 movements18.9% of 95 movements18.8% of 101 movements10.6% of 94 movements23.9% of 92 movements18.7% of 91 movements22.3% of 94 movements31.9% of 94 movements32.7% of 104 movements202533.7% of 86 movements23.7% of 93 movements21.4% of 103 movements17.6% of 68 movements17.4% of 86 movements18.7% of 91 movements17.3% of 75 movements20.3% of 74 movements22.9% of 70 movements33.8% of 80 movements15.3% of 98 movements21.2% of 104 movements202630.0% of 80 movements18.7% of 91 movements16.8% of 107 movements16.4% of 73 movements17.2% of 93 movements24.7% of 97 movementsno datano datano datano datano datano data
Month-by-month table: median, observed range and sample
MonthMedianObserved rangeSample
Jan20.3%8.4–33.7%7 months, 701 flights
Feb23.7%13.9–28.0%7 months, 737 flights
Mar16.8%12.2–44.9%7 months, 832 flights
Apr17.6%10.1–29.2%7 months, 680 flights
May17.4%8.8–30.4%7 months, 768 flights
Jun23.7%9.8–38.4%7 months, 800 flights
Jul18.7%10.6–30.7%6 months, 660 flights
Aug18.9%8.1–23.9%6 months, 658 flights
Sep20.8%8.3–27.4%6 months, 625 flights
Oct22.3%11.6–33.8%6 months, 659 flights
Nov20.5%8.8–38.7%6 months, 644 flights
Dec23.5%9.0–39.0%6 months, 671 flights
Definitions, denominators and limits

The matrix shows the last eight calendar years, including an incomplete final year; the start of the archive is kept in the history above. Seasonal summaries use the whole available archive, excluding the pandemic regime 2020–2021; this is an observed range, not a forecast. Zero events, missing data and suppressed cells are marked separately. † marks a small sample, described but not ranked. For ranges the colour follows the upper bound.

Which airline has the better record here?

On the published record there is no clear winner: Easyjet Uk 19.8% of 425 movements, Loganair 21.9% of 617 movements. The gap between them sits inside sampling noise.

Figures cover arrivals, July 2025 to June 2026; lower is better in every column. Carriers with fewer than twenty published flights are suppressed rather than shown as zero. The page makes no ranking: the operations behind these shares are not matched for aircraft, time of day or season.

Observed disruption share by optionEasyjet Uk19.8% of 425 flightsLoganair21.9% of 617 flights
Airline comparison table: operations, cancellations, three-hour delays and data quality
AirlineOperationsDisruptionCancellations>180 minData quality
Easyjet Airlinesuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Easyjet Uk42519.8% of 425 movements1.9% of 425 movements1.4% of 425 movementsdescriptive comparison
Enter Airsuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Flybesuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Loganair61721.9% of 617 movements3.4% of 617 movements0.5% of 617 movementsdescriptive comparison
Maleth Aerosuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed

The noise check is a descriptive approximation assuming independent operations. Delay correlation and mix differences are not estimated; no ranking is derived.

Would another UK airport have been better?

Among UK airports flying to this city with enough flights to publish, LHR had the lowest disruption share at 11.2% of 365 movements and BRS the highest at 35.6% of 59 movements. This route sits at 21.0% of 1,042 movements.

Each figure is arrivals into that UK airport, all carriers combined, over the same twelve months. It is a historical record, not a recommendation about where to fly from, and it says nothing about getting to or from each airport on the ground.

Observed disruption share by optionBhx ↔ Isle-Of-Man17.4% of 276 flightsBrs ↔ Isle-Of-Man35.6% of 59 flightsEdi ↔ Isle-Of-Man26.2% of 172 flightsLcy ↔ Isle-Of-Man18.5% of 399 flightsLgw ↔ Isle-Of-Man26.7% of 686 flightsLhr ↔ Isle-Of-Man11.2% of 365 flightsMan ↔ Isle-Of-Man24.9% of 952 flights
Airport comparison table: operations, cancellations, three-hour delays and data quality
Other UK airport to the same cityOperationsDisruptionCancellations>180 minData quality
Abz ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Bfs ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Bhd ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Bhx ↔ Isle-Of-Man27617.4% of 276 movements2.9% of 276 movements0.7% of 276 movementsdescriptive comparison
Boh ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Brs ↔ Isle-Of-Man5935.6% of 59 movements1.7% of 59 movementsno events in 59 movementsdescriptive comparison
Edi ↔ Isle-Of-Man17226.2% of 172 movements4.1% of 172 movementsno events in 172 movementsdescriptive comparison
Ext ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Gla ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Jer ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Lba ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Lcy ↔ Isle-Of-Man39918.5% of 399 movements6.3% of 399 movementsno events in 399 movementsdescriptive comparison
Lgw ↔ Isle-Of-Man68626.7% of 686 movements1.5% of 686 movements0.9% of 686 movementsdescriptive comparison
Lhr ↔ Isle-Of-Man36511.2% of 365 movements1.6% of 365 movementsno events in 365 movementsdescriptive comparison
Ltn ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Man ↔ Isle-Of-Man95224.9% of 952 movements2.1% of 952 movements1.2% of 952 movementsdescriptive comparison
Mme ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Ncl ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Sen ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Sou ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed
Stn ↔ Isle-Of-Mansuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed

Does the direction you are flying change anything?

Yes: arrivals into LPL ran 21.0% of 1,042 movements disrupted, departures 17.1% of 1,049 movements.

It matters legally as well as practically: a departure from the UK and an arrival into the UK on a UK or EU carrier fall under different conditions, and a departure delay does not establish a late arrival at your final destination.

Arrivals and departures side by side
DirectionDisruptionCancellationsOver three hours
Arrivals into LPL21.0% of 1,042 movements2.8% of 1,042 movements0.9% of 1,042 movements
Departures from LPL17.1% of 1,049 movements2.8% of 1,049 movements0.6% of 1,049 movements
Definitions, denominators and limits

CAA conditions on delays and cancellations.

How many flights here crossed the three-hour mark?

The table below counts arrivals and departures that ran more than three hours late — the threshold that is one of the conditions for compensation — across the whole archive and within the last six years.

The pound figure beside each count is arithmetic, not money anyone received: it is the count multiplied by the maximum statutory amount for this distance band. Whether any of those flights actually qualified is not knowable from this data.

DirectionWindowFlights over three hoursArithmetic statutory ceiling
ArrivalsWhole archive · Jan 2018–Jun 202655 flights out of 9,98255 × £220 = £12,100
ArrivalsLast 72 months · Jul 2020–Jun 202640 flights out of 6,01540 × £220 = £8,800
DeparturesWhole archive · Jan 2018–Jun 202651 flights out of 10,00851 × £220 = £11,220
DeparturesLast 72 months · Jul 2020–Jun 202639 flights out of 6,03939 × £220 = £8,580
Definitions, denominators and limits

Full formula: the count is the sum of the two tail buckets across months, carriers and service types in one direction; the ceiling is that count multiplied by the maximum statutory amount for the distance band. The condition is: if every such delay had been the carrier's fault and a claim had been filed on every one of them.

This is conditional arithmetic over operations: passenger numbers, legal applicability and the number of claims are all unknown. For departures it is an arithmetic scenario only, because arrival at the final point is not observed. For long routes the maximum ceiling is used; any reduction in the payable amount is not calculated.

The archive window is counted from the last month of data, not from today: this is not a limitation check for an individual case. The CAA states six years for England and Wales and five for Scotland. CAA: time limits and how to complain. Information, not a legal service.

The facts about this route

Route reference table: codes, distance, frequency, archive span
FieldValue
UK airportLIVERPOOL (JOHN LENNON) · LPL
Final point / countryISLE OF MAN / UNITED KINGDOM
Final point codesIOM / EGNS
Great-circle distance143 km
Maximum statutory amount for the band£220
Average operated arrivals per day2.78
Presence in the latest twelve-month windowoperations present in every month of the latest twelve-month window
First and last active monthJan 2018–Jun 2026
Months with operations in the archive102

origin_destination is the final point of the CAA service, not evidence of a nonstop connection. The distance joins the coordinates of the named airports; the actual track is unknown. Frequency describes published operations.

What this data cannot tell you

Delay cause is not published in the regulator's open data. Monthly aggregates describe a population, not a specific flight. Cells below twenty operations are suppressed; twenty to forty-nine are descriptive only and not ranked. Arrivals and departures do not add up. Cancellations are short-notice only, by the CAA definition. A movement is not the same as a scheduled flight.

0 operations (0.00%) excluded because their published percentages could not be reconciled to whole numbers. Excluded operations enter neither the numerator nor the denominator. Outcome figures and comparisons are unavailable when the excluded share exceeds fifteen percent.

Data-quality counters for this route

Zero observed events does not mean zero risk. Operator coverage against the Summary file is not established in this record; comparisons are limited to the published population.

Unmatched records: 0; all recorded operations: 1,042; excluded by quarantine: 0.

Quick answers

How often is this route disrupted?

21.0% of 1,042 movements over July 2025 to June 2026. Arrivals into the UK airport; all published carriers.

How many flights are cancelled at short notice?

2.8% of 1,042 movements in the same window.

How many delays crossed three hours?

0.9% of 1,042 movements in the same window; these are observed movements, not a count of claims.

What does the delay distribution look like?

rare but severe. The class compares the tail with short delays across routes in the corpus.

What distance is used?

143 km, great-circle.

Can compensation entitlement be established here?

No. The cause and the circumstances of an individual flight are unknown. Official CAA conditions.

Why do some cells say "no data"?

That month is absent from the published series. Small cells carry a separate "suppressed" marker; a gap is never replaced by a zero.

How this was calculated

Dataset version, input hashes and reconstruction rules

Dataset version: 396da8dde2874f14; method route-record-v2.1.

Versioned register of every number and the entity map · Input hashes · Correction log · Reconstruction and formulas.

Reconstruction: integer counts inside the rounding bounds of shares of D, summing to M. Ambiguity is preserved as a range of feasible counts; non-convergence stays in quarantine. The map of codes and coordinates is pinned by hash alongside the data. Raw CSV files are not included in the published output.

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Reconstruction and formulas

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