Of 4,150 sampled SQ departures, 83.6% left 15 minutes or more behind schedule. Average lateness was 28.1 minutes. Sample window: Oct 16, 2025 to Oct 16, 2026. Its published schedule has about 3,719 flights a week on 194 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 | 357 | 91.3% | 33.1 min |
| 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 | 198 | 82.3% | 24.0 min |
| Apr 2026 | 1,023 | 81.9% | 25.0 min |
| May 2026 | 690 | 74.4% | 25.5 min |
| Jun 2026 | 152 | 94.1% | 31.6 min |
| Jul 2026 | 305 | 89.5% | 31.1 min |
| Aug 2026 | 326 | 87.7% | 32.9 min |
| Sep 2026 | 336 | 79.2% | 26.7 min |
| Oct 2026 | 161 | 80.1% | 26.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Singapore Changi (SIN) | 1,682 | 85.3% | 26.6 min |
| John F Kennedy International (JFK) | 400 | 85.8% | 29.0 min |
| Los Angeles International (LAX) | 365 | 76.7% | 25.9 min |
| Frankfurt International Airport (FRA) | 266 | 95.9% | 29.3 min |
| Schiphol (AMS) | 220 | 90.9% | 47.3 min |
| Gatwick (LGW) | 204 | 79.4% | 24.5 min |
| Heathrow (LHR) | 202 | 80.7% | 26.4 min |
| Charles De Gaulle (CDG) | 184 | 92.9% | 32.2 min |
| Brussels Airport (BRU) | 111 | 79.3% | 25.1 min |
| Manchester Airport (MAN) | 96 | 95.8% | 36.9 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.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=SQ
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.