Of 2,159 sampled AI departures, 86.0% left 15 minutes or more behind schedule. Average lateness was 51.8 minutes. Sample window: Oct 19, 2025 to Oct 17, 2026. Its published schedule has about 176 flights a week on 19 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 | 127 | 84.3% | 51.1 min |
| Dec 2025 | 186 | 79.6% | 55.4 min |
| Jan 2026 | 63 | 90.5% | 133.5 min |
| Feb 2026 | 62 | 88.7% | 73.6 min |
| Mar 2026 | 145 | 91.7% | 128.7 min |
| Apr 2026 | 92 | 76.1% | 44.6 min |
| May 2026 | 276 | 71.4% | 35.8 min |
| Jun 2026 | 114 | 85.1% | 43.6 min |
| Jul 2026 | 222 | 93.7% | 44.3 min |
| Aug 2026 | 301 | 92.0% | 38.7 min |
| Sep 2026 | 382 | 89.5% | 40.8 min |
| Oct 2026 | 172 | 87.2% | 36.5 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Heathrow (LHR) | 406 | 92.9% | 43.5 min |
| Frankfurt International Airport (FRA) | 332 | 97.3% | 44.4 min |
| Charles De Gaulle (CDG) | 198 | 91.9% | 53.9 min |
| John F Kennedy International (JFK) | 191 | 80.6% | 94.2 min |
| Bangalore International Airport (BLR) | 171 | 67.3% | 26.1 min |
| Birmingham International Airport (BHX) | 144 | 85.4% | 52.5 min |
| Gatwick (LGW) | 142 | 95.1% | 49.9 min |
| Schiphol (AMS) | 109 | 93.6% | 53.8 min |
| Singapore Changi (SIN) | 91 | 60.4% | 28.8 min |
| Kastrup (CPH) | 86 | 83.7% | 68.5 min |
38 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Airbus A318/A319/A32 | 29 |
| Boeing 777 | 9 |
GET /flight_delays filtered by airline_iata=AI 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.
