UK FLIGHT DELAY INDEX

derived from CAA punctuality statistics for UK reporting airports

How often are these flights late or cancelled?

Slovak Republic

In the twelve months from July 2025 to June 2026, 19.9% of 1,832 movements arriving into the UK were disrupted — more than fifteen minutes late or cancelled at short notice.

Put the other way round, 80.1% of 1,832 movements met the fifteen-minute convention. These are historical observations, not a forecast.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Source: CAA punctuality statistics · snapshot 17/08/2026 10:24 · method route-record-v2.1 · Versioned claims, formulas and entity mapping.

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

19.9% of 1,832 movements were disrupted over July 2025 to June 2026.

Average delay covers delayed movements only. Its range reflects rounded source means and the unknown count of exactly punctual movements.

DisruptionShort-notice cancellationsDelay among delayed movementsOver three hours
19.9% of 1,832 movements0.4% of 1,832 movements28.0–62.3 minutes; delayed denominator 357–7310.8% of 1,832 movements
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

When late, how late?

0.8% of 1,832 movements passed the three-hour mark.

The ladder shows how many movements crossed each threshold. Cancellations are separate: 0.4% of 1,832 movements.

DelayShare and sampleOne event per movements
More than 15 minutes19.5% of 1,832 movements5.1
More than 30 minutes12.2% of 1,832 movements8.2
More than 60 minutes4.9% of 1,832 movements20.6
More than 120 minutes1.3% of 1,832 movements76.3
More than 180 minutes0.8% of 1,832 movements130.9
More than 360 minutes0.1% of 1,832 movements1,832.0
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Slightly late or occasionally a disaster?

1.3% of 1,832 movements passed two hours.

The histogram shows the published delay bands. Bucket shares use all reported operations, including unmatched records; cancellations are reported separately.

Nine delay buckets, minutes; share of all recorded operations>15 early43723.9%15–1 early65635.8%0–15 late37420.4%16–301347.3%31–601347.3%61…120653.5%121…180100.5%181…360130.7%>36010.1%D=1,832
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Better or worse since the start of the archive?

Best month: Sep 2020, 4.0% of 99 movements. Worst month: Jul 2022, 58.0% of 138 movements.

The line traces every month. Lower disruption is better; gaps are never zeros. Pandemic readings describe a different operating regime.

Monthly disruption share; gaps mean no published dataJan 2018: 21.9%; sample: 1512018Feb 2018: 19.9%; sample: 136Mar 2018: 16.7%; sample: 162Apr 2018: 15.0%; sample: 180May 2018: 28.7%; sample: 178Jun 2018: 31.9%; sample: 166Jul 2018: 35.1%; sample: 171Aug 2018: 32.4%; sample: 170Sep 2018: 19.0%; sample: 163Oct 2018: 19.8%; sample: 167Nov 2018: 11.5%; sample: 157Dec 2018: 32.5%; sample: 163Jan 2019: 31.5%; sample: 1652019Feb 2019: 16.6%; sample: 145Mar 2019: 17.8%; sample: 163Apr 2019: 11.0%; sample: 172May 2019: 14.1%; sample: 185Jun 2019: 23.6%; sample: 178Jul 2019: 26.3%; sample: 179Aug 2019: 19.0%; sample: 184Sep 2019: 17.4%; sample: 172Oct 2019: 20.3%; sample: 177Nov 2019: 7.9%; sample: 140Dec 2019: 17.3%; sample: 168Jan 2020: 17.4%; sample: 1552020Feb 2020: 23.2%; sample: 142Mar 2020: 47.4%; sample: 97Apr 2020: suppressed: fewer than twenty movements×May 2020: suppressed: fewer than twenty movements×Jun 2020: suppressed: fewer than twenty movements×Jul 2020: 43.8%; sample: 48Aug 2020: 8.1%; sample: 111Sep 2020: 4.0%; sample: 99Oct 2020: 7.0%; sample: 71Nov 2020: 0.0%; sample: 28Dec 2020: 31.9%; sample: 47Jan 2021: 31.4%; sample: 352021Feb 2021: suppressed: fewer than twenty movements×Mar 2021: suppressed: fewer than twenty movements×Apr 2021: suppressed: fewer than twenty movements×May 2021: suppressed: fewer than twenty movements×Jun 2021: 13.6%; sample: 66Jul 2021: 14.3%; sample: 84Aug 2021: 21.4%; sample: 131Sep 2021: 12.6%; sample: 135Oct 2021: 8.5%; sample: 142Nov 2021: 13.6%; sample: 81Dec 2021: 24.0%; sample: 121Jan 2022: 17.3%; sample: 522022Feb 2022: 25.6%; sample: 82Mar 2022: 23.7%; sample: 114Apr 2022: 34.8%; sample: 135May 2022: 40.3%; sample: 144Jun 2022: 51.8%; sample: 141Jul 2022: 58.0%; sample: 138Aug 2022: 39.1%; sample: 138Sep 2022: 43.2%; sample: 139Oct 2022: 36.9%; sample: 149Nov 2022: 22.1%; sample: 122Dec 2022: 54.5%; sample: 134Jan 2023: 34.1%; sample: 1322023Feb 2023: 24.2%; sample: 120Mar 2023: 16.3%; sample: 135Apr 2023: 27.3%; sample: 143May 2023: 19.7%; sample: 147Jun 2023: 31.8%; sample: 132Jul 2023: 33.8%; sample: 136Aug 2023: 31.4%; sample: 140Sep 2023: 21.6%; sample: 134Oct 2023: 28.5%; sample: 144Nov 2023: 19.4%; sample: 139Dec 2023: 40.1%; sample: 162Jan 2024: 27.9%; sample: 1542024Feb 2024: 12.7%; sample: 134Mar 2024: 8.6%; sample: 152Apr 2024: 21.6%; sample: 139May 2024: 24.6%; sample: 134Jun 2024: 31.3%; sample: 134Jul 2024: 35.6%; sample: 135Aug 2024: 28.3%; sample: 138Sep 2024: 32.1%; sample: 137Oct 2024: 18.9%; sample: 148Nov 2024: 17.7%; sample: 164Dec 2024: 37.4%; sample: 187Jan 2025: 31.5%; sample: 1782025Feb 2025: 11.8%; sample: 169Mar 2025: 12.6%; sample: 175Apr 2025: 16.4%; sample: 177May 2025: 18.3%; sample: 180Jun 2025: 19.5%; sample: 159Jul 2025: 25.0%; sample: 164Aug 2025: 22.4%; sample: 161Sep 2025: 27.7%; sample: 148Oct 2025: 19.8%; sample: 177Nov 2025: 12.1%; sample: 141Dec 2025: 11.8%; sample: 152Jan 2026: 20.4%; sample: 1132026Feb 2026: 15.9%; sample: 132Mar 2026: 6.5%; sample: 155Apr 2026: 18.0%; sample: 167May 2026: 18.9%; sample: 169Jun 2026: 39.9%; sample: 153Pandemic regime Jun 2020Summer 2022 breakdown Jul 2022NATS system failure Aug 2023Heathrow fire closure Mar 2025100%0%
Every monthly observation
MonthDisruption on arrivals
Jan 201821.9% of 151 movements
Feb 201819.9% of 136 movements
Mar 201816.7% of 162 movements
Apr 201815.0% of 180 movements
May 201828.7% of 178 movements
Jun 201831.9% of 166 movements
Jul 201835.1% of 171 movements
Aug 201832.4% of 170 movements
Sep 201819.0% of 163 movements
Oct 201819.8% of 167 movements
Nov 201811.5% of 157 movements
Dec 201832.5% of 163 movements
Jan 201931.5% of 165 movements
Feb 201916.6% of 145 movements
Mar 201917.8% of 163 movements
Apr 201911.0% of 172 movements
May 201914.1% of 185 movements
Jun 201923.6% of 178 movements
Jul 201926.3% of 179 movements
Aug 201919.0% of 184 movements
Sep 201917.4% of 172 movements
Oct 201920.3% of 177 movements
Nov 20197.9% of 140 movements
Dec 201917.3% of 168 movements
Jan 202017.4% of 155 movements
Feb 202023.2% of 142 movements
Mar 202047.4% of 97 movements
Apr 2020suppressed: fewer than twenty movements
May 2020suppressed: fewer than twenty movements
Jun 2020suppressed: fewer than twenty movements
Jul 202043.8% of 48 movements — small sample, not ranked
Aug 20208.1% of 111 movements
Sep 20204.0% of 99 movements
Oct 20207.0% of 71 movements
Nov 2020no events in 28 movements — small sample, not ranked
Dec 202031.9% of 47 movements — small sample, not ranked
Jan 202131.4% of 35 movements — small sample, not ranked
Feb 2021suppressed: fewer than twenty movements
Mar 2021suppressed: fewer than twenty movements
Apr 2021suppressed: fewer than twenty movements
May 2021suppressed: fewer than twenty movements
Jun 202113.6% of 66 movements
Jul 202114.3% of 84 movements
Aug 202121.4% of 131 movements
Sep 202112.6% of 135 movements
Oct 20218.5% of 142 movements
Nov 202113.6% of 81 movements
Dec 202124.0% of 121 movements
Jan 202217.3% of 52 movements
Feb 202225.6% of 82 movements
Mar 202223.7% of 114 movements
Apr 202234.8% of 135 movements
May 202240.3% of 144 movements
Jun 202251.8% of 141 movements
Jul 202258.0% of 138 movements
Aug 202239.1% of 138 movements
Sep 202243.2% of 139 movements
Oct 202236.9% of 149 movements
Nov 202222.1% of 122 movements
Dec 202254.5% of 134 movements
Jan 202334.1% of 132 movements
Feb 202324.2% of 120 movements
Mar 202316.3% of 135 movements
Apr 202327.3% of 143 movements
May 202319.7% of 147 movements
Jun 202331.8% of 132 movements
Jul 202333.8% of 136 movements
Aug 202331.4% of 140 movements
Sep 202321.6% of 134 movements
Oct 202328.5% of 144 movements
Nov 202319.4% of 139 movements
Dec 202340.1% of 162 movements
Jan 202427.9% of 154 movements
Feb 202412.7% of 134 movements
Mar 20248.6% of 152 movements
Apr 202421.6% of 139 movements
May 202424.6% of 134 movements
Jun 202431.3% of 134 movements
Jul 202435.6% of 135 movements
Aug 202428.3% of 138 movements
Sep 202432.1% of 137 movements
Oct 202418.9% of 148 movements
Nov 202417.7% of 164 movements
Dec 202437.4% of 187 movements
Jan 202531.5% of 178 movements
Feb 202511.8% of 169 movements
Mar 202512.6% of 175 movements
Apr 202516.4% of 177 movements
May 202518.3% of 180 movements
Jun 202519.5% of 159 movements
Jul 202525.0% of 164 movements
Aug 202522.4% of 161 movements
Sep 202527.7% of 148 movements
Oct 202519.8% of 177 movements
Nov 202512.1% of 141 movements
Dec 202511.8% of 152 movements
Jan 202620.4% of 113 movements
Feb 202615.9% of 132 movements
Mar 20266.5% of 155 movements
Apr 202618.0% of 167 movements
May 202618.9% of 169 movements
Jun 202639.9% of 153 movements
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

What did the big disruptions do here?

Each event is compared with the twelve preceding calendar months and the first later return to baseline.

A worse month is not proof the named event caused it. The open data carry no delay-cause field. Recovery is observed for at most eight subsequent months.

EventDirectionDisruption that monthBaseline beforeReturn to baseline
Pandemic regime · Jun 2020Arrivalssuppressed: fewer than twenty movementsno complete baselinenot enough data: needs a complete baseline and a publishable event month
Pandemic regime · Jun 2020Departuressuppressed: fewer than twenty movementsno complete baselinenot enough data: needs a complete baseline and a publishable event month
Summer 2022 breakdown · Jul 2022Arrivals58.0% of 138 movements24.0% across 1,362 flightsreturned after 4 months
Summer 2022 breakdown · Jul 2022Departures58.1% of 136 movements20.0% across 1,370 flightsreturned after 7 months
NATS system failure · Aug 2023Arrivals31.4% of 140 movements31.9% across 1,627 flightsreturned the next month
NATS system failure · Aug 2023Departures31.4% of 140 movements32.6% across 1,620 flightsreturned the next month
Heathrow fire closure · Mar 2025Arrivals12.6% of 175 movements24.9% across 1,815 flightsreturned the next month
Heathrow fire closure · Mar 2025Departures12.6% of 175 movements22.1% across 1,812 flightsreturned the next month
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Which time of year has been hardest?

Highest median: Dec, 35.0% across 6 months. Lowest median: Nov, 14.9% across 6 months.

Even the same calendar month differs across years. This is a record, not a forecast; pandemic years are excluded from the summaries.

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 nJanFebMarAprMayJunJulAugSepOctNovDec201931.5% of 165 movements16.6% of 145 movements17.8% of 163 movements11.0% of 172 movements14.1% of 185 movements23.6% of 178 movements26.3% of 179 movements19.0% of 184 movements17.4% of 172 movements20.3% of 177 movements7.9% of 140 movements17.3% of 168 movements202017.4% of 155 movements23.2% of 142 movements47.4% of 97 movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movements43.8% of 48 movements †8.1% of 111 movements4.0% of 99 movements7.0% of 71 movementsno events in 28 movements †31.9% of 47 movements †202131.4% of 35 movements †suppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movementssuppressed: fewer than twenty movements13.6% of 66 movements14.3% of 84 movements21.4% of 131 movements12.6% of 135 movements8.5% of 142 movements13.6% of 81 movements24.0% of 121 movements202217.3% of 52 movements25.6% of 82 movements23.7% of 114 movements34.8% of 135 movements40.3% of 144 movements51.8% of 141 movements58.0% of 138 movements39.1% of 138 movements43.2% of 139 movements36.9% of 149 movements22.1% of 122 movements54.5% of 134 movements202334.1% of 132 movements24.2% of 120 movements16.3% of 135 movements27.3% of 143 movements19.7% of 147 movements31.8% of 132 movements33.8% of 136 movements31.4% of 140 movements21.6% of 134 movements28.5% of 144 movements19.4% of 139 movements40.1% of 162 movements202427.9% of 154 movements12.7% of 134 movements8.6% of 152 movements21.6% of 139 movements24.6% of 134 movements31.3% of 134 movements35.6% of 135 movements28.3% of 138 movements32.1% of 137 movements18.9% of 148 movements17.7% of 164 movements37.4% of 187 movements202531.5% of 178 movements11.8% of 169 movements12.6% of 175 movements16.4% of 177 movements18.3% of 180 movements19.5% of 159 movements25.0% of 164 movements22.4% of 161 movements27.7% of 148 movements19.8% of 177 movements12.1% of 141 movements11.8% of 152 movements202620.4% of 113 movements15.9% of 132 movements6.5% of 155 movements18.0% of 167 movements18.9% of 169 movements39.9% of 153 movementsno datano datano datano datano datano data
Month-by-month table: median, observed range and sample
MonthMedianObserved rangeSample
Jan27.9%17.3–34.1%7 months, 945 flights
Feb16.6%11.8–25.6%7 months, 918 flights
Mar16.3%6.5–23.7%7 months, 1,056 flights
Apr18.0%11.0–34.8%7 months, 1,113 flights
May19.7%14.1–40.3%7 months, 1,137 flights
Jun31.8%19.5–51.8%7 months, 1,063 flights
Jul34.5%25.0–58.0%6 months, 923 flights
Aug29.8%19.0–39.1%6 months, 931 flights
Sep24.7%17.4–43.2%6 months, 893 flights
Oct20.1%18.9–36.9%6 months, 962 flights
Nov14.9%7.9–22.1%6 months, 863 flights
Dec35.0%11.8–54.5%6 months, 966 flights
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Which routes have the best and worst record?

Lowest disruption: LBA ↔ BRATISLAVA, 3.3% of 60 movements. Highest disruption: STN ↔ KOSICE, 38.2% of 241 movements.

The airline table uses this carrier on each route; airport and country tables combine carriers. Each figure is arrivals into its UK airport. Only sufficiently large exact samples enter the ordered comparison.

Observed disruption share by optionLba ↔ Bratislava3.3% of 60 flightsLtn ↔ Kosice11.4% of 219 flightsLtn ↔ Bratislava15.7% of 305 flightsMan ↔ Bratislava20.4% of 216 flightsStn ↔ Bratislava20.8% of 399 flightsStn ↔ Kosice38.2% of 241 flights
All route comparisons and sample flags
RouteDisruptionCancellationsSample flag
LBA ↔ BRATISLAVA3.3% of 60 movements1.7% of 60 movementsdescriptive comparison
LTN ↔ KOSICE11.4% of 219 movements0.9% of 219 movementsdescriptive comparison
LTN ↔ BRATISLAVA15.7% of 305 movements1.0% of 305 movementsdescriptive comparison
LPL ↔ KOSICE15.9% of 126 movements0.8% of 126 movementsdescriptive comparison
LTN ↔ TATRY-POPRAD16.3% of 104 movementsno events in 104 movementsdescriptive comparison
EDI ↔ BRATISLAVA17.3% of 139 movementsno events in 139 movementsdescriptive comparison
MAN ↔ BRATISLAVA20.4% of 216 movementsno events in 216 movementsdescriptive comparison
STN ↔ BRATISLAVA20.8% of 399 movementsno events in 399 movementsdescriptive comparison
STN ↔ KOSICE38.2% of 241 movements0.4% of 241 movementsdescriptive comparison
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Which UK airports appear in this record?

6 published groups have enough arrivals to describe.

These operations are not matched for season, aircraft or time of day. The table makes no causal comparison.

UK airportDisruptionSample flag
Edinburgh17.3% of 139 movementsdescriptive comparison
Leeds Bradford3.3% of 60 movementsdescriptive comparison
Liverpool (John Lennon)15.9% of 126 movementsdescriptive comparison
Luton14.3% of 628 movementsdescriptive comparison
Manchester20.4% of 216 movementsdescriptive comparison
Stansted27.9% of 657 movementsdescriptive comparison
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Arrivals vs departures

19.9% of 1,832 movements arrivals were disrupted, against 18.1% of 1,826 movements departures.

The directions have separate denominators. A departure delay does not establish late arrival at the final destination; legal conditions differ by direction and carrier.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Movements past the three-hour mark

0.8% of 1,832 movements were more than three hours late over July 2025 to June 2026.

Cancellation is counted separately and is not a three-hour delay. Monthly counts cannot establish a passenger claim.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Facts about this record

Slovak Republic appears from Jan 2018 to Jun 2026 with 13,433 arrivals.

The bounds describe the published record, not every commercial service. Final point is not necessarily a nonstop destination.

Archive route pairs: 31.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

What this data cannot tell you

Delay cause, individual passenger experience, commercial decisions and future performance are not established here.

Also absent are aircraft type, within-month time-of-day splits and cancellations made ahead of the short-notice reporting window.

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.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Quick answers

These answers use the same populations and window as the tables above.

Every percentage retains its denominator.

How disrupted are these arrivals?

19.9% of 1,832 movements over July 2025 to June 2026.

How often are they cancelled?

0.4% of 1,832 movements at short notice.

How late is late?

28.0–62.3 minutes; delayed denominator 357–731

Are services improving?

The monthly line records past changes; it is not a forecast or a causal comparison.

Which routes are compared?

The route table uses separately identified UK airport and final-point pairs, with small samples flagged.

Does this cover my flight?

Only published aggregate movements; the circumstances of any individual flight are unknown.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

How this was calculated

Source: CAA punctuality statistics · snapshot 17/08/2026 10:24 · method route-record-v2.1 · Versioned claims, formulas and entity mapping.

Integer bucket counts are recovered from rounding intervals over D=M+C+U with their sum constrained to M. Ambiguous counts remain ranges; failed reconciliation is quarantined.

Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.

Your trip has already gone wrong

The monthly line and events table show whether your month was typical or unusual in the published record.

Nothing here decides an individual case or what a passenger may be owed.

CAA: the official route to complain
Definitions, denominators and limits

Arrivals into UK reporting airports only unless labelled departures. Denominator: operated movements plus short-notice cancellations (M+C). A movement is not a scheduled flight. Unmatched records are data quality, not outcomes. Cells below twenty movements are suppressed; twenty to forty-nine are descriptive and not ranked.