Of 862 sampled departures, 79.9% left 15 minutes or more behind schedule. Average lateness was 31.1 minutes. Sample window: Dec 1, 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 |
|---|---|---|---|
| Malindo Airways Sdn Bhd ( Malindo A (OD) | 80 | 87.5% | 37.5 min |
| Malaysia Airlines (MH) | 218 | 83.9% | 27.1 min |
| PT. Indonesia AirAsia (QZ) | 28 | 82.1% | 34.1 min |
| AirAsia Berhad dba AirAsia (AK) | 323 | 75.2% | 30.3 min |
79.9% of this KUL 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=KULField 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": "KUL",
"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 KUL departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.