Of 1,899 sampled SV departures, 72.7% left 15 minutes or more behind schedule. Average lateness was 35.2 minutes. Sample window: Oct 16, 2025 to Oct 15, 2026. Its published schedule has about 960 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 |
|---|---|---|---|
| Nov 2025 | 105 | 80.0% | 30.3 min |
| Dec 2025 | 96 | 71.9% | 30.6 min |
| Jan 2026 | 52 | 78.9% | 44.9 min |
| Feb 2026 | 65 | 61.5% | 32.5 min |
| Mar 2026 | 82 | 84.2% | 53.7 min |
| Apr 2026 | 51 | 74.5% | 48.7 min |
| May 2026 | 497 | 44.3% | 18.5 min |
| Jun 2026 | 93 | 86.0% | 35.5 min |
| Jul 2026 | 192 | 81.3% | 44.5 min |
| Aug 2026 | 248 | 90.7% | 42.2 min |
| Sep 2026 | 274 | 85.0% | 37.9 min |
| Oct 2026 | 120 | 85.8% | 50.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| King Abdulaziz International (JED) | 384 | 34.6% | 14.4 min |
| Charles De Gaulle (CDG) | 290 | 86.6% | 36.2 min |
| Heathrow (LHR) | 251 | 91.2% | 37.2 min |
| John F Kennedy International (JFK) | 216 | 86.6% | 55.6 min |
| Frankfurt International Airport (FRA) | 170 | 65.3% | 24.3 min |
| Washington Dulles International (IAD) | 151 | 71.5% | 25.1 min |
| Manchester Airport (MAN) | 123 | 95.9% | 43.4 min |
| Schiphol (AMS) | 122 | 92.6% | 70.5 min |
| Dubai (DXB) | 55 | 61.8% | 32.9 min |
| Gatwick (LGW) | 24 | 91.7% | 66.9 min |
GET /flight_delays filtered by airline_iata=SV 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=SV
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.