Of 3,351 sampled BT departures, 65.8% left 15 minutes or more behind schedule. Average lateness was 26.4 minutes. Sample window: Oct 19, 2025 to Oct 17, 2026. Its published schedule has about 14 flights a week on 1 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 204 | 63.2% | 24.0 min |
| Dec 2025 | 221 | 77.4% | 29.6 min |
| Jan 2026 | 148 | 77.7% | 40.6 min |
| Feb 2026 | 169 | 63.9% | 24.6 min |
| Mar 2026 | 270 | 44.8% | 14.2 min |
| Apr 2026 | 268 | 60.1% | 20.8 min |
| May 2026 | 359 | 51.3% | 18.3 min |
| Jun 2026 | 236 | 75.0% | 32.5 min |
| Jul 2026 | 435 | 80.0% | 39.3 min |
| Aug 2026 | 408 | 74.5% | 29.4 min |
| Sep 2026 | 339 | 59.3% | 21.4 min |
| Oct 2026 | 212 | 59.4% | 22.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Schiphol (AMS) | 863 | 80.0% | 30.0 min |
| Charles De Gaulle (CDG) | 373 | 88.2% | 33.6 min |
| Kastrup (CPH) | 354 | 55.9% | 20.1 min |
| Gatwick (LGW) | 268 | 79.9% | 32.3 min |
| Gardermoen (OSL) | 263 | 51.0% | 21.4 min |
| Arlanda (ARN) | 220 | 50.0% | 26.4 min |
| Hamburg Airport (HAM) | 185 | 37.3% | 17.5 min |
| Brussels Airport (BRU) | 183 | 67.2% | 25.7 min |
| Düsseldorf International Airport (DUS) | 181 | 64.1% | 25.3 min |
| RIX | 126 | 44.4% | 20.5 min |
7 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Boeing 737 Classic | 7 |
GET /flight_delays filtered by airline_iata=BT returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.
