Of 66 sampled SL departures, 65.2% left 15 minutes or more behind schedule. Average lateness was 22.5 minutes. Sample window: Nov 3, 2025 to May 7, 2026. Its published schedule has about 524 flights a week on 41 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Apr 2026 | 37 | 62.2% | 20.9 min |
| May 2026 | 22 | 68.2% | 23.5 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Singapore Changi (SIN) | 33 | 66.7% | 24.0 min |
GET /flight_delays filtered by airline_iata=SL 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=SL
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.