Of 9,742 sampled AC departures, 74.8% left 15 minutes or more behind schedule. Average lateness was 40.1 minutes. Sample window: Oct 16, 2025 to Oct 16, 2026. Its published schedule has about 537 flights a week on 56 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 | 234 | 72.2% | 35.2 min |
| Dec 2025 | 405 | 81.7% | 48.7 min |
| Jan 2026 | 851 | 75.3% | 55.6 min |
| Feb 2026 | 204 | 65.7% | 34.6 min |
| Mar 2026 | 2,206 | 71.4% | 48.8 min |
| Apr 2026 | 325 | 77.5% | 34.3 min |
| May 2026 | 1,644 | 75.1% | 31.6 min |
| Jun 2026 | 447 | 78.8% | 35.1 min |
| Jul 2026 | 744 | 78.4% | 37.2 min |
| Aug 2026 | 1,203 | 76.2% | 37.9 min |
| Sep 2026 | 791 | 75.0% | 34.2 min |
| Oct 2026 | 589 | 72.7% | 30.3 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| New York (LGA) | 1,464 | 77.5% | 42.0 min |
| Los Angeles International (LAX) | 1,196 | 68.6% | 31.8 min |
| Lester B. Pearson International (YYZ) | 863 | 78.1% | 31.7 min |
| Heathrow (LHR) | 491 | 85.3% | 33.9 min |
| Washington Dulles International (IAD) | 439 | 66.7% | 43.5 min |
| Charles De Gaulle (CDG) | 326 | 89.6% | 38.1 min |
| Newark Liberty International (EWR) | 267 | 72.7% | 37.6 min |
| YVR | 239 | 74.5% | 36.1 min |
| San Francisco International (SFO) | 236 | 75.0% | 48.7 min |
| Schiphol (AMS) | 231 | 87.5% | 41.9 min |
6 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Airbus A318/A319/A32 | 4 |
| Boeing 777 | 1 |
| Embraer EMB-190/EMB- | 1 |
GET /flight_delays filtered by airline_iata=AC 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=AC
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.