Of 5,759 sampled departures, 53.7% left 15 minutes or more behind schedule. Average lateness was 34.2 minutes. Sample window: Dec 29, 2025 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 |
|---|---|---|---|
| Blue Line (4Y) | 22 | 86.4% | 39.1 min |
| Porter Airlines Inc. (PD) | 37 | 78.4% | 51.0 min |
| Alaska Airlines (AS) | 29 | 75.9% | 55.4 min |
| ChallengAir (1I) | 120 | 75.8% | 40.8 min |
| Southwest Airlines Co. (WN) | 1,253 | 74.6% | 41.8 min |
53.7% of this TPA 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 TPA departures that are late right now, in the JSON above.
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