Of 625 sampled QS departures, 68.6% left 15 minutes or more behind schedule. Average lateness was 33.2 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 | 42 | 71.4% | 26.7 min |
| Dec 2025 | 50 | 66.0% | 25.2 min |
| Jan 2026 | 25 | 76.0% | 27.5 min |
| Mar 2026 | 43 | 67.4% | 21.2 min |
| Apr 2026 | 43 | 69.8% | 18.7 min |
| May 2026 | 95 | 62.1% | 25.9 min |
| Jun 2026 | 26 | 61.5% | 45.6 min |
| Jul 2026 | 62 | 85.5% | 55.9 min |
| Aug 2026 | 40 | 70.0% | 49.3 min |
| Sep 2026 | 44 | 70.5% | 29.9 min |
| Oct 2026 | 138 | 65.2% | 37.1 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Charles de Gaulle International Airport (CDG) | 248 | 86.7% | 31.6 min |
| Václav Havel Airport Prague (PRG) | 82 | 69.5% | 44.2 min |
| Brussels Airport (BRU) | 76 | 59.2% | 22.6 min |
| Hamburg Helmut Schmidt Airport (HAM) | 29 | 79.3% | 72.4 min |
| Cologne Bonn Airport (CGN) | 23 | 43.5% | 27.5 min |
| Toulouse-Blagnac Airport (TLS) | 20 | 40.0% | 22.1 min |
GET /flight_delays filtered by airline_iata=QS returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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