Of 524 sampled KU departures, 85.1% left 15 minutes or more behind schedule. Average lateness was 46.9 minutes. Sample window: Nov 4, 2025 to Nov 1, 2026. Its published schedule has about 15 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 | 45 | 77.8% | 63.7 min |
| Dec 2025 | 51 | 78.4% | 52.6 min |
| Feb 2026 | 24 | 66.7% | 27.0 min |
| Jun 2026 | 21 | 90.5% | 43.0 min |
| Jul 2026 | 62 | 85.5% | 71.0 min |
| Aug 2026 | 90 | 95.6% | 38.3 min |
| Sep 2026 | 98 | 94.9% | 53.7 min |
| Oct 2026 | 101 | 77.2% | 26.7 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| London Heathrow Airport (LHR) | 138 | 89.9% | 37.3 min |
| Charles de Gaulle International Airport (CDG) | 104 | 94.2% | 54.4 min |
| Frankfurt Main Airport (FRA) | 88 | 76.1% | 47.5 min |
| John F. Kennedy International Airport (JFK) | 66 | 66.7% | 47.9 min |
| Manchester Airport (MAN) | 60 | 90.0% | 48.0 min |
| Amsterdam Airport Schiphol (AMS) | 32 | 100.0% | 74.6 min |
GET /flight_delays filtered by airline_iata=KU returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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