Of 2,566 sampled QF departures, 70.4% left 15 minutes or more behind schedule. Average lateness was 27.7 minutes. Sample window: Oct 17, 2025 to Oct 15, 2026. Its published schedule has about 839 flights a week on 67 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 64 | 85.9% | 41.4 min |
| Dec 2025 | 55 | 80.0% | 40.1 min |
| Jan 2026 | 81 | 91.4% | 38.4 min |
| Feb 2026 | 24 | 58.3% | 7.3 min |
| Mar 2026 | 128 | 81.3% | 28.8 min |
| Apr 2026 | 107 | 79.4% | 27.7 min |
| May 2026 | 1,501 | 58.4% | 22.6 min |
| Jun 2026 | 81 | 79.0% | 27.6 min |
| Jul 2026 | 120 | 92.5% | 39.9 min |
| Aug 2026 | 152 | 92.8% | 36.9 min |
| Sep 2026 | 165 | 94.6% | 36.4 min |
| Oct 2026 | 79 | 94.9% | 38.1 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Kingsford Smith (SYD) | 470 | 75.3% | 28.3 min |
| Los Angeles International (LAX) | 399 | 93.2% | 31.2 min |
| Brisbane International (BNE) | 388 | 46.7% | 17.8 min |
| MEL | 303 | 52.2% | 18.3 min |
| John F Kennedy International (JFK) | 212 | 88.7% | 49.4 min |
| Heathrow (LHR) | 147 | 96.6% | 35.6 min |
| ADL | 118 | 38.1% | 18.8 min |
| Singapore Changi (SIN) | 108 | 88.0% | 34.9 min |
| PER | 90 | 48.9% | 21.3 min |
| Gatwick (LGW) | 77 | 37.7% | 13.7 min |
GET /flight_delays filtered by airline_iata=QF returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=QF
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.