Of 3,439 sampled BT departures, 65.2% left 15 minutes or more behind schedule. Average lateness was 26.3 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 | 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 | 412 | 74.3% | 29.6 min |
| Sep 2026 | 342 | 59.7% | 21.8 min |
| Oct 2026 | 378 | 57.9% | 22.3 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Amsterdam Airport Schiphol (AMS) | 885 | 79.7% | 29.9 min |
| Charles de Gaulle International Airport (CDG) | 389 | 87.7% | 32.9 min |
| Copenhagen Kastrup Airport (CPH) | 357 | 54.1% | 19.8 min |
| London Gatwick Airport (LGW) | 274 | 78.8% | 32.2 min |
| Oslo-Gardermoen International Airport (OSL) | 266 | 50.4% | 21.3 min |
| Stockholm-Arlanda Airport (ARN) | 228 | 48.3% | 25.7 min |
| Brussels Airport (BRU) | 191 | 63.9% | 25.0 min |
| Hamburg Helmut Schmidt Airport (HAM) | 188 | 35.6% | 17.0 min |
| Düsseldorf Airport (DUS) | 179 | 63.1% | 24.7 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.
