How often are these flights late or cancelled?
Belgium
In the twelve months from July 2025 to June 2026, 28.7% of 4,939 movements arriving into the UK were disrupted — more than fifteen minutes late or cancelled at short notice.
Put the other way round, 71.3% of 4,939 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
28.7% of 4,939 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.
| Disruption | Short-notice cancellations | Delay among delayed movements | Over three hours |
|---|---|---|---|
| 28.7% of 4,939 movements | 1.7% of 4,939 movements | 24.1–52.6 minutes; delayed denominator 1,331–2,699 | 0.2% of 4,939 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?
0.2% of 4,939 movements passed the three-hour mark.
The ladder shows how many movements crossed each threshold. Cancellations are separate: 1.7% of 4,939 movements.
| Delay | Share and sample | One event per movements |
|---|---|---|
| More than 15 minutes | 26.9% of 4,939 movements | 3.7 |
| More than 30 minutes | 14.8% of 4,939 movements | 6.8 |
| More than 60 minutes | 5.5% of 4,939 movements | 18.1 |
| More than 120 minutes | 1.1% of 4,939 movements | 95.0 |
| More than 180 minutes | 0.2% of 4,939 movements | 411.6 |
| More than 360 minutes | no events in 4,939 movements | No observed events; this is not zero risk. |
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?
1.1% of 4,939 movements passed two hours.
The histogram shows the published delay bands. Bucket shares use all reported operations, including unmatched records; cancellations are reported separately.
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: Nov 2020, no events in 61 movements. Worst month: Jul 2022, 59.1% of 352 movements.
The line traces every month. Lower disruption is better; gaps are never zeros. Pandemic readings describe a different operating regime.
Every monthly observation
| Month | Disruption on arrivals |
|---|---|
| Jan 2018 | 22.8% of 736 movements |
| Feb 2018 | 25.0% of 697 movements |
| Mar 2018 | 25.0% of 768 movements |
| Apr 2018 | 23.6% of 804 movements |
| May 2018 | 25.4% of 838 movements |
| Jun 2018 | 26.6% of 804 movements |
| Jul 2018 | 31.2% of 844 movements |
| Aug 2018 | 20.7% of 812 movements |
| Sep 2018 | 23.6% of 643 movements |
| Oct 2018 | 28.0% of 685 movements |
| Nov 2018 | 22.3% of 631 movements |
| Dec 2018 | 29.4% of 642 movements |
| Jan 2019 | 18.4% of 674 movements |
| Feb 2019 | 19.1% of 566 movements |
| Mar 2019 | 29.9% of 549 movements |
| Apr 2019 | 26.0% of 607 movements |
| May 2019 | 20.7% of 628 movements |
| Jun 2019 | 30.3% of 594 movements |
| Jul 2019 | 32.3% of 625 movements |
| Aug 2019 | 24.3% of 601 movements |
| Sep 2019 | 29.3% of 634 movements |
| Oct 2019 | 26.5% of 676 movements |
| Nov 2019 | 15.3% of 658 movements |
| Dec 2019 | 18.1% of 629 movements |
| Jan 2020 | 14.5% of 691 movements |
| Feb 2020 | 27.8% of 680 movements |
| Mar 2020 | 23.1% of 484 movements |
| Apr 2020 | suppressed: fewer than twenty movements |
| May 2020 | suppressed: fewer than twenty movements |
| Jun 2020 | suppressed: fewer than twenty movements |
| Jul 2020 | 1.4% of 70 movements |
| Aug 2020 | 3.3% of 91 movements |
| Sep 2020 | 3.6% of 55 movements |
| Oct 2020 | 8.3% of 121 movements |
| Nov 2020 | no events in 61 movements |
| Dec 2020 | 17.6% of 51 movements |
| Jan 2021 | 16.3% of 43 movements — small sample, not ranked |
| Feb 2021 | 23.7% of 38 movements — small sample, not ranked |
| Mar 2021 | 36.6% of 41 movements — small sample, not ranked |
| Apr 2021 | 7.0% of 43 movements — small sample, not ranked |
| May 2021 | 8.5% of 47 movements — small sample, not ranked |
| Jun 2021 | 7.4% of 81 movements |
| Jul 2021 | 9.5% of 116 movements |
| Aug 2021 | 18.8% of 128 movements |
| Sep 2021 | 17.3% of 173 movements |
| Oct 2021 | 18.8% of 176 movements |
| Nov 2021 | 20.3% of 241 movements |
| Dec 2021 | 17.8% of 242 movements |
| Jan 2022 | 11.5% of 156 movements |
| Feb 2022 | 32.7% of 156 movements |
| Mar 2022 | 16.0% of 257 movements |
| Apr 2022 | 28.0% of 357 movements |
| May 2022 | 27.4% of 398 movements |
| Jun 2022 | 48.4% of 395 movements |
| Jul 2022 | 59.1% of 352 movements |
| Aug 2022 | 35.3% of 329 movements |
| Sep 2022 | 46.5% of 391 movements |
| Oct 2022 | 34.4% of 413 movements |
| Nov 2022 | 20.6% of 437 movements |
| Dec 2022 | 48.1% of 443 movements |
| Jan 2023 | 24.3% of 437 movements |
| Feb 2023 | 18.9% of 423 movements |
| Mar 2023 | 28.9% of 478 movements |
| Apr 2023 | 32.2% of 441 movements |
| May 2023 | 25.0% of 476 movements |
| Jun 2023 | 41.6% of 433 movements |
| Jul 2023 | 36.9% of 439 movements |
| Aug 2023 | 34.5% of 458 movements |
| Sep 2023 | 36.2% of 450 movements |
| Oct 2023 | 27.1% of 501 movements |
| Nov 2023 | 22.3% of 480 movements |
| Dec 2023 | 33.3% of 448 movements |
| Jan 2024 | 22.4% of 407 movements |
| Feb 2024 | 19.0% of 448 movements |
| Mar 2024 | 19.0% of 463 movements |
| Apr 2024 | 31.0% of 413 movements |
| May 2024 | 25.1% of 435 movements |
| Jun 2024 | 31.0% of 394 movements |
| Jul 2024 | 40.2% of 423 movements |
| Aug 2024 | 29.4% of 425 movements |
| Sep 2024 | 41.8% of 411 movements |
| Oct 2024 | 27.8% of 406 movements |
| Nov 2024 | 20.2% of 430 movements |
| Dec 2024 | 32.4% of 441 movements |
| Jan 2025 | 27.4% of 368 movements |
| Feb 2025 | 15.6% of 404 movements |
| Mar 2025 | 16.8% of 434 movements |
| Apr 2025 | 23.0% of 440 movements |
| May 2025 | 20.0% of 481 movements |
| Jun 2025 | 27.4% of 445 movements |
| Jul 2025 | 38.9% of 465 movements |
| Aug 2025 | 30.4% of 454 movements |
| Sep 2025 | 44.2% of 446 movements |
| Oct 2025 | 31.8% of 465 movements |
| Nov 2025 | 27.9% of 394 movements |
| Dec 2025 | 27.8% of 410 movements |
| Jan 2026 | 29.1% of 361 movements |
| Feb 2026 | 21.3% of 367 movements |
| Mar 2026 | 19.6% of 413 movements |
| Apr 2026 | 18.5% of 389 movements |
| May 2026 | 18.3% of 388 movements |
| Jun 2026 | 31.3% of 387 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.
| Event | Direction | Disruption that month | Baseline before | Return to baseline |
|---|---|---|---|---|
| Pandemic regime · Jun 2020 | Arrivals | suppressed: fewer than twenty movements | no complete baseline | not enough data: needs a complete baseline and a publishable event month |
| Pandemic regime · Jun 2020 | Departures | suppressed: fewer than twenty movements | no complete baseline | not enough data: needs a complete baseline and a publishable event month |
| Summer 2022 breakdown · Jul 2022 | Arrivals | 59.1% of 352 movements | 22.2% across 2,795 flights | returned after 4 months |
| Summer 2022 breakdown · Jul 2022 | Departures | 71.0% of 348 movements | 27.5% across 2,785 flights | still above it 8 months later |
| NATS system failure · Aug 2023 | Arrivals | 34.5% of 458 movements | 32.7% across 5,140 flights | returned after 2 months |
| NATS system failure · Aug 2023 | Departures | 51.2% of 457 movements | 43.7% across 5,132 flights | returned after 2 months |
| Heathrow fire closure · Mar 2025 | Arrivals | 16.8% of 434 movements | 28.4% across 5,013 flights | returned the next month |
| Heathrow fire closure · Mar 2025 | Departures | 21.7% of 434 movements | 31.5% across 5,008 flights | returned 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: Sep, 39.0% across 6 months. Lowest median: Feb, 19.1% across 7 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.
Month-by-month table: median, observed range and sample
| Month | Median | Observed range | Sample |
|---|---|---|---|
| Jan | 22.8% | 11.5–29.1% | 7 months, 3,139 flights |
| Feb | 19.1% | 15.6–32.7% | 7 months, 3,061 flights |
| Mar | 19.6% | 16.0–29.9% | 7 months, 3,362 flights |
| Apr | 26.0% | 18.5–32.2% | 7 months, 3,451 flights |
| May | 25.0% | 18.3–27.4% | 7 months, 3,644 flights |
| Jun | 31.0% | 26.6–48.4% | 7 months, 3,452 flights |
| Jul | 37.9% | 31.2–59.1% | 6 months, 3,148 flights |
| Aug | 29.9% | 20.7–35.3% | 6 months, 3,079 flights |
| Sep | 39.0% | 23.6–46.5% | 6 months, 2,975 flights |
| Oct | 27.9% | 26.5–34.4% | 6 months, 3,146 flights |
| Nov | 21.4% | 15.3–27.9% | 6 months, 3,030 flights |
| Dec | 30.9% | 18.1–48.1% | 6 months, 3,013 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: NCL ↔ CHARLEROI, 12.7% of 71 movements. Highest disruption: BHX ↔ BRUSSELS, 39.6% of 91 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.
All route comparisons and sample flags
| Route | Disruption | Cancellations | Sample flag |
|---|---|---|---|
| NCL ↔ CHARLEROI | 12.7% of 71 movements | no events in 71 movements | descriptive comparison |
| Manchester ↔ Charleroi | 22.7% of 982 movements | 0.7% of 982 movements | descriptive comparison |
| Manchester ↔ Brussels | 29.0% of 631 movements | 0.8% of 631 movements | descriptive comparison |
| Heathrow ↔ Brussels | 29.6% of 2,416 movements | 2.5% of 2,416 movements | descriptive comparison |
| EDI ↔ BRUSSELS | 31.7% of 230 movements | 0.4% of 230 movements | descriptive comparison |
| EDI ↔ CHARLEROI | 36.2% of 464 movements | 1.1% of 464 movements | descriptive comparison |
| BHX ↔ BRUSSELS | 39.6% of 91 movements | 4.4% of 91 movements | descriptive comparison |
| GLA ↔ CHARLEROI | no events in 34 movements — small sample, not ranked | no events in 34 movements — small sample, not ranked | small sample; not ranked |
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 airport | Disruption | Sample flag |
|---|---|---|
| Birmingham | 39.6% of 91 movements | descriptive comparison |
| Edinburgh | 34.7% of 694 movements | descriptive comparison |
| Glasgow | 4.9% of 41 movements — small sample, not ranked | small sample; not ranked |
| Heathrow | 29.6% of 2,416 movements | descriptive comparison |
| Manchester | 25.2% of 1,613 movements | descriptive comparison |
| Newcastle | 13.5% of 74 movements | descriptive 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
28.7% of 4,939 movements arrivals were disrupted, against 34.3% of 4,932 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
0.2% of 4,939 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
Belgium appears from Jan 2018 to Jun 2026 with 42,184 arrivals.
The bounds describe the published record, not every commercial service. Final point is not necessarily a nonstop destination.
Archive route pairs: 71.
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?
28.7% of 4,939 movements over July 2025 to June 2026.
How often are they cancelled?
1.7% of 4,939 movements at short notice.
How late is late?
24.1–52.6 minutes; delayed denominator 1,331–2,699
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 complainDefinitions, 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.