Of 2,784 sampled WS departures, 69.2% left 15 minutes or more behind schedule. Average lateness was 34.2 minutes. Sample window: Oct 18, 2025 to Oct 15, 2026. Its published schedule has about 77 flights a week on 11 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 | 53 | 77.4% | 37.3 min |
| Dec 2025 | 43 | 93.0% | 55.6 min |
| Jan 2026 | 231 | 64.5% | 38.2 min |
| Mar 2026 | 626 | 66.5% | 39.8 min |
| May 2026 | 339 | 55.5% | 26.1 min |
| Jun 2026 | 151 | 81.5% | 34.9 min |
| Jul 2026 | 286 | 81.1% | 36.4 min |
| Aug 2026 | 638 | 64.6% | 29.7 min |
| Sep 2026 | 243 | 81.5% | 35.7 min |
| Oct 2026 | 135 | 71.1% | 24.7 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Los Angeles International (LAX) | 674 | 68.8% | 28.8 min |
| YYC | 281 | 47.7% | 18.9 min |
| John F Kennedy International (JFK) | 192 | 89.6% | 53.4 min |
| Charles De Gaulle (CDG) | 186 | 94.1% | 39.8 min |
| Lester B. Pearson International (YYZ) | 150 | 47.3% | 16.9 min |
| Las Vegas (LAS) | 134 | 65.7% | 31.2 min |
| Phoenix (PHX) | 118 | 63.6% | 40.2 min |
| Edinburgh (EDI) | 102 | 98.0% | 47.9 min |
| Palm Springs Metropolitan Area (PSP) | 93 | 58.1% | 37.0 min |
| Orlando International (MCO) | 91 | 64.8% | 50.7 min |
GET /flight_delays filtered by airline_iata=WS 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=WS
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.