Of 15,893 sampled SN departures, 69.6% left 15 minutes or more behind schedule. Average lateness was 26.2 minutes. Sample window: Nov 2, 2025 to Nov 1, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Dec 2025 | 861 | 70.6% | 29.2 min |
| Jan 2026 | 613 | 67.1% | 32.3 min |
| Feb 2026 | 726 | 49.6% | 18.1 min |
| Mar 2026 | 1,109 | 56.4% | 20.8 min |
| Apr 2026 | 1,261 | 73.0% | 23.9 min |
| May 2026 | 1,063 | 69.8% | 23.4 min |
| Jun 2026 | 1,493 | 77.2% | 31.1 min |
| Jul 2026 | 2,113 | 81.7% | 30.8 min |
| Aug 2026 | 1,937 | 70.6% | 27.6 min |
| Sep 2026 | 2,018 | 66.8% | 24.0 min |
| Oct 2026 | 1,927 | 68.1% | 25.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Brussels Airport (BRU) | 12,230 | 69.8% | 26.1 min |
| Frankfurt Main Airport (FRA) | 517 | 82.2% | 28.0 min |
| Copenhagen Kastrup Airport (CPH) | 369 | 64.8% | 23.0 min |
| Lyon Saint-Exupéry Airport (LYS) | 321 | 62.6% | 27.8 min |
| Stockholm-Arlanda Airport (ARN) | 273 | 58.6% | 20.9 min |
| Toulouse-Blagnac Airport (TLS) | 260 | 65.4% | 22.4 min |
| Marseille Provence Airport (MRS) | 219 | 60.3% | 22.9 min |
| Hamburg Helmut Schmidt Airport (HAM) | 213 | 34.7% | 16.1 min |
| Göteborg Landvetter Airport (GOT) | 194 | 53.1% | 19.1 min |
| John F. Kennedy International Airport (JFK) | 188 | 89.4% | 40.3 min |
GET /flight_delays filtered by airline_iata=SN returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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