Of 904 sampled departures, 47.1% left 15 minutes or more behind schedule. Average lateness was 33.2 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 |
|---|---|---|---|
| Allegiant Air LLC (G4) | 51 | 80.4% | 58.6 min |
| United Airlines (UA) | 103 | 68.9% | 53.2 min |
| Delta Air Lines (DL) | 169 | 55.6% | 38.8 min |
| American Airlines (AA) | 175 | 53.7% | 44.1 min |
| Mexicana (MX) | 28 | 53.6% | 30.2 min |
47.1% of this SYR 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 SYR departures that are late right now, in the JSON above.
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