Of 24,371 sampled departures, 53.5% left 15 minutes or more behind schedule. Average lateness was 30.0 minutes. Sample window: Dec 25, 2025 to Oct 25, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| British Airways (BA) | 28 | 78.6% | 25.6 min |
| Envoy Air Inc. (MQ) | 103 | 75.7% | 32.2 min |
| Etihad Airways (EY) | 27 | 74.1% | 39.3 min |
| Frontier Airlines, Inc. (F9) | 1,189 | 73.1% | 45.6 min |
| African International Airways (WS) | 52 | 71.2% | 27.8 min |
53.5% of this ATL 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 ATL departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.
