Of 2,433 sampled AT departures, 75.4% left 15 minutes or more behind schedule. Average lateness was 31.5 minutes. Sample window: Oct 16, 2025 to Oct 15, 2026. Its published schedule has about 21 flights a week on 2 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 | 215 | 78.1% | 28.6 min |
| Dec 2025 | 323 | 81.7% | 36.7 min |
| Jan 2026 | 209 | 82.3% | 38.0 min |
| Feb 2026 | 155 | 66.5% | 29.6 min |
| Mar 2026 | 263 | 60.5% | 24.3 min |
| Apr 2026 | 308 | 71.4% | 27.4 min |
| May 2026 | 289 | 69.6% | 27.3 min |
| Jun 2026 | 47 | 72.3% | 33.7 min |
| Jul 2026 | 96 | 84.4% | 42.7 min |
| Aug 2026 | 92 | 77.2% | 31.5 min |
| Sep 2026 | 168 | 82.1% | 34.7 min |
| Oct 2026 | 187 | 82.4% | 33.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Orly (ORY) | 786 | 70.4% | 27.9 min |
| Lyon (LYS) | 244 | 63.5% | 24.8 min |
| John F Kennedy International (JFK) | 214 | 89.7% | 46.9 min |
| Brussels Airport (BRU) | 179 | 83.2% | 33.0 min |
| Charles De Gaulle (CDG) | 166 | 75.3% | 26.8 min |
| Washington Dulles International (IAD) | 137 | 85.4% | 40.6 min |
| Gatwick (LGW) | 97 | 81.4% | 35.6 min |
| Nantes Atlantique (NTE) | 76 | 60.5% | 23.1 min |
| Blagnac (TLS) | 75 | 62.7% | 27.2 min |
| Mérignac (BOD) | 72 | 61.1% | 22.2 min |
GET /flight_delays filtered by airline_iata=AT returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=AT
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.