Of 27,123 sampled departures, 84.1% left 15 minutes or more behind schedule. Average lateness was 53.4 minutes. Sample window: Nov 8, 2025 to Jul 28, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| LOT Polish Airlines (LO) | 37 | 97.3% | 46.9 min |
| Iberia (IB) | 31 | 96.8% | 60.2 min |
| Japan Airlines (JL) | 54 | 94.4% | 47.6 min |
| Aer Lingus (EI) | 62 | 93.6% | 55.5 min |
| Republic Airline Inc.. (YX) | 29 | 93.1% | 51.1 min |
84.1% of this ORD 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=ORDField 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": "ORD",
"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 ORD departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.