Of 2,570 sampled AT departures, 75.3% left 15 minutes or more behind schedule. Average lateness was 31.6 minutes. Sample window: Nov 2, 2025 to Oct 31, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 212 | 78.3% | 28.8 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 | 264 | 60.6% | 24.6 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 | 407 | 79.9% | 33.0 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Paris-Orly Airport (ORY) | 837 | 70.5% | 28.5 min |
| Lyon Saint-Exupéry Airport (LYS) | 246 | 63.4% | 24.8 min |
| John F. Kennedy International Airport (JFK) | 228 | 89.0% | 46.1 min |
| Charles de Gaulle International Airport (CDG) | 194 | 75.8% | 27.7 min |
| Brussels Airport (BRU) | 174 | 82.8% | 32.9 min |
| Washington Dulles International Airport (IAD) | 144 | 84.7% | 40.0 min |
| London Gatwick Airport (LGW) | 113 | 81.4% | 35.4 min |
| Nantes Atlantique Airport (NTE) | 73 | 60.3% | 23.0 min |
| Frankfurt Main Airport (FRA) | 69 | 88.4% | 33.6 min |
| Toulouse-Blagnac Airport (TLS) | 69 | 60.9% | 26.5 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.
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