Of 13,602 sampled departures, 64.7% left 15 minutes or more behind schedule. Average lateness was 35.2 minutes. Sample window: Jan 16, 2026 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 |
|---|---|---|---|
| Air New Zealand (NZ) | 25 | 100.0% | 36.7 min |
| Lufthansa Cargo (LH) | 30 | 90.0% | 49.3 min |
| Amerijet International Inc. (M6) | 27 | 88.9% | 28.2 min |
| Air France (AF) | 33 | 87.9% | 38.2 min |
| British Airways (BA) | 52 | 82.7% | 39.3 min |
64.7% of this IAH 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=IAHField 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": "IAH",
"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 IAH departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.