Of 1,293 sampled departures, 86.1% left 15 minutes or more behind schedule. Average lateness was 35.0 minutes. Sample window: May 1, 2026 to Sep 2, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Iberia (IB) | 20 | 95.0% | 47.8 min |
| Eurowings (EW) | 22 | 90.9% | 54.3 min |
| KLM (KL) | 21 | 90.5% | 35.5 min |
| TAP Portugal (TP) | 597 | 89.3% | 32.9 min |
| Vueling (VY) | 30 | 86.7% | 33.1 min |
86.1% of this LIS 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=LISField 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": "LIS",
"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 LIS departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.