Of 4,363 sampled SQ departures, 83.2% left 15 minutes or more behind schedule. Average lateness was 28.1 minutes. Sample window: Nov 2, 2025 to Nov 1, 2026. Its published schedule has about 1,537 flights a week on 91 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Dec 2025 | 315 | 91.4% | 30.0 min |
| Jan 2026 | 190 | 85.3% | 32.6 min |
| Feb 2026 | 58 | 79.3% | 24.9 min |
| Mar 2026 | 200 | 82.0% | 24.0 min |
| Apr 2026 | 1,023 | 81.9% | 25.0 min |
| May 2026 | 690 | 74.4% | 25.5 min |
| Jun 2026 | 153 | 93.5% | 31.4 min |
| Jul 2026 | 305 | 89.5% | 31.1 min |
| Aug 2026 | 333 | 87.1% | 32.5 min |
| Sep 2026 | 336 | 79.2% | 26.7 min |
| Oct 2026 | 399 | 79.2% | 28.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Singapore Changi Airport (SIN) | 1,682 | 85.3% | 26.6 min |
| John F. Kennedy International Airport (JFK) | 422 | 84.1% | 28.6 min |
| Los Angeles International Airport (LAX) | 398 | 77.1% | 26.2 min |
| Frankfurt Main Airport (FRA) | 297 | 95.3% | 29.0 min |
| London Heathrow Airport (LHR) | 247 | 79.4% | 25.5 min |
| Amsterdam Airport Schiphol (AMS) | 228 | 90.8% | 46.4 min |
| London Gatwick Airport (LGW) | 207 | 80.7% | 24.9 min |
| Charles de Gaulle International Airport (CDG) | 184 | 91.9% | 31.3 min |
| Brussels Airport (BRU) | 117 | 80.3% | 25.2 min |
| Manchester Airport (MAN) | 99 | 93.9% | 36.1 min |
GET /flight_delays filtered by airline_iata=SQ returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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