Of 1,864 sampled departures, 78.5% left 15 minutes or more behind schedule. Average lateness was 30.0 minutes. Sample window: Nov 3, 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 |
|---|---|---|---|
| Peach (MM) | 103 | 100.0% | 30.9 min |
| T'way Air (TW) | 33 | 100.0% | 29.2 min |
| Jetstar Japan Co., Ltd. (GK) | 193 | 97.9% | 35.4 min |
| China Airlines (CI) | 42 | 97.6% | 34.9 min |
| Japan Airlines (JL) | 170 | 95.9% | 41.4 min |
78.5% of this NRT 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=NRTField 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": "NRT",
"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 NRT departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.