Of 8,875 sampled BY departures, 63.4% left 15 minutes or more behind schedule. Average lateness was 27.7 minutes. Sample window: Nov 2, 2025 to Nov 1, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Dec 2025 | 384 | 69.3% | 28.4 min |
| Jan 2026 | 344 | 65.1% | 26.8 min |
| Feb 2026 | 413 | 62.5% | 22.3 min |
| Mar 2026 | 574 | 62.4% | 23.5 min |
| Apr 2026 | 433 | 60.1% | 21.0 min |
| May 2026 | 419 | 58.0% | 22.8 min |
| Jun 2026 | 749 | 63.0% | 28.6 min |
| Jul 2026 | 1,258 | 63.4% | 30.0 min |
| Aug 2026 | 1,590 | 69.9% | 33.3 min |
| Sep 2026 | 1,392 | 64.1% | 30.0 min |
| Oct 2026 | 966 | 53.8% | 22.9 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Manchester Airport (MAN) | 2,017 | 88.8% | 39.5 min |
| London Gatwick Airport (LGW) | 1,798 | 81.8% | 36.9 min |
| Birmingham Airport (BHX) | 1,186 | 73.7% | 27.7 min |
| East Midlands Airport (EMA) | 841 | 59.6% | 22.8 min |
| Newcastle International Airport (NCL) | 815 | 25.3% | 14.3 min |
| Bristol Airport (BRS) | 665 | 53.2% | 19.6 min |
| Glasgow Airport (GLA) | 600 | 1.2% | 0.5 min |
| London Stansted Airport (STN) | 285 | 81.4% | 35.6 min |
| Bournemouth Airport (BOH) | 271 | 0.7% | 0.5 min |
| London Luton Airport (LTN) | 77 | 50.7% | 20.1 min |
1 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Boeing 757 | 1 |
GET /flight_delays filtered by airline_iata=BY returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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