Of 48,451 sampled departures, 71.4% left 15 minutes or more behind schedule. Average lateness was 37.8 minutes. Sample window: Oct 17, 2025 to Oct 15, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Southwest Airlines Co. (WN) | 2,968 | 86.9% | 45.8 min |
| Porter Airlines Inc. (PD) | 253 | 80.6% | 38.6 min |
| Air Canada (AC) | 1,464 | 77.5% | 42.0 min |
| Frontier Airlines, Inc. (F9) | 403 | 76.2% | 51.7 min |
| JetBlue (B6) | 1,120 | 73.9% | 41.2 min |
71.4% of this LGA 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.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&dep_iata=LGAField names match the live API. This flight only shows the shape. It is not a live result.
{
"success": true,
"data": [
{
"airline_iata": "AA",
"flight_iata": "AA100",
"flight_number": "100",
"dep_iata": "LGA",
"dep_time": "2024-03-15 08:00",
"dep_actual": "2024-03-15 08:22",
"dep_delayed": 22,
"status": "active"
}
]
}
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key and returns the LGA departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.