Of 57,789 sampled SK departures, 43.9% left 15 minutes or more behind schedule. Average lateness was 17.0 minutes. Sample window: Oct 19, 2025 to Oct 17, 2026. Its published schedule has about 371 flights a week on 20 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 | 3,506 | 42.0% | 17.0 min |
| Dec 2025 | 3,030 | 42.9% | 16.6 min |
| Jan 2026 | 2,468 | 63.8% | 28.1 min |
| Feb 2026 | 2,763 | 54.4% | 20.8 min |
| Mar 2026 | 4,338 | 31.5% | 6.9 min |
| Apr 2026 | 4,505 | 38.1% | 15.1 min |
| May 2026 | 3,629 | 39.0% | 15.1 min |
| Jun 2026 | 5,096 | 47.0% | 18.9 min |
| Jul 2026 | 6,900 | 43.6% | 17.7 min |
| Aug 2026 | 7,943 | 41.8% | 17.1 min |
| Sep 2026 | 7,918 | 48.0% | 18.1 min |
| Oct 2026 | 4,272 | 45.3% | 17.6 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Kastrup (CPH) | 24,234 | 50.0% | 17.8 min |
| Arlanda (ARN) | 13,336 | 30.7% | 14.0 min |
| Gardermoen (OSL) | 10,909 | 39.1% | 15.8 min |
| Landvetter (GOT) | 1,122 | 32.4% | 13.5 min |
| Schiphol (AMS) | 917 | 63.6% | 24.2 min |
| Charles De Gaulle (CDG) | 777 | 78.1% | 26.8 min |
| Brussels Airport (BRU) | 708 | 61.7% | 23.9 min |
| Düsseldorf International Airport (DUS) | 693 | 50.2% | 20.8 min |
| Heathrow (LHR) | 656 | 66.8% | 23.1 min |
| Billund (BLL) | 622 | 22.8% | 10.3 min |
GET /flight_delays filtered by airline_iata=SK returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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