Of 281 sampled UL departures, 94.0% left 15 minutes or more behind schedule. Average lateness was 49.6 minutes. Sample window: Nov 2, 2025 to Oct 31, 2026. Its published schedule has about 37 flights a week on 4 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| May 2026 | 34 | 91.2% | 44.8 min |
| Jul 2026 | 30 | 93.3% | 49.3 min |
| Aug 2026 | 40 | 97.5% | 54.4 min |
| Sep 2026 | 50 | 98.0% | 57.6 min |
| Oct 2026 | 59 | 93.2% | 45.9 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| London Heathrow Airport (LHR) | 92 | 100.0% | 44.9 min |
| Frankfurt Main Airport (FRA) | 64 | 96.9% | 67.9 min |
| Charles de Gaulle International Airport (CDG) | 62 | 93.6% | 50.3 min |
GET /flight_delays filtered by airline_iata=UL returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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