Of 1,198 sampled departures, 47.6% left 15 minutes or more behind schedule. Average lateness was 27.9 minutes. Sample window: Jan 16, 2026 to Mar 27, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| JetBlue (B6) | 23 | 87.0% | 48.5 min |
| ChallengAir (1I) | 136 | 82.4% | 46.3 min |
| Southwest Airlines Co. (WN) | 46 | 76.1% | 41.5 min |
| American Airlines (AA) | 75 | 68.0% | 44.8 min |
| United Airlines (UA) | 170 | 60.0% | 40.5 min |
47.6% of this BZN 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 BZN departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.