Of 1,289 sampled departures, 73.2% left 15 minutes or more behind schedule. Average lateness was 28.5 minutes. Sample window: Dec 2, 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 |
|---|---|---|---|
| LC Busre SAC (W4) | 105 | 86.7% | 29.9 min |
| ITA Airways (AZ) | 260 | 81.5% | 32.9 min |
| United Airlines (UA) | 24 | 75.0% | 29.4 min |
| Easyjet Airline Company Limited (U2) | 77 | 74.0% | 32.5 min |
| Iberia (IB) | 26 | 73.1% | 28.0 min |
73.2% of this FCO 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=FCOField 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": "FCO",
"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 FCO departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.