Of 6,870 sampled departures, 55.2% left 15 minutes or more behind schedule. Average lateness was 31.8 minutes. Sample window: Jan 16, 2026 to May 7, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Air Canada (AC) | 32 | 90.6% | 86.5 min |
| Spirit Airlines (NK) | 51 | 86.3% | 75.4 min |
| ChallengAir (1I) | 241 | 80.5% | 43.1 min |
| British Airways (BA) | 41 | 78.1% | 30.9 min |
| JetBlue (B6) | 51 | 76.5% | 60.9 min |
55.2% of this AUS sample left 15 minutes late or more.
GET /flight_delays returns the ones that are late at this moment: airline, flight number, scheduled time, actual time and minutes of delay.
Field names match the live API. This flight only shows the shape. It is not a live result.
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key and returns the AUS departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.