Of 1,169 sampled NZ departures, 56.5% left 15 minutes or more behind schedule. Average lateness was 24.5 minutes. Sample window: Oct 31, 2025 to Oct 15, 2026. Its published schedule has about 787 flights a week on 46 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 | 38 | 79.0% | 47.2 min |
| Jan 2026 | 46 | 93.5% | 32.6 min |
| Mar 2026 | 72 | 91.7% | 33.1 min |
| May 2026 | 807 | 40.3% | 17.7 min |
| Jun 2026 | 24 | 100.0% | 34.5 min |
| Jul 2026 | 47 | 91.5% | 34.9 min |
| Aug 2026 | 46 | 89.1% | 38.1 min |
| Sep 2026 | 40 | 100.0% | 43.4 min |
| Oct 2026 | 22 | 100.0% | 47.9 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Auckland International (AKL) | 440 | 40.0% | 17.5 min |
| Christchurch International (CHC) | 209 | 26.3% | 12.5 min |
| Los Angeles International (LAX) | 201 | 91.5% | 29.4 min |
| WLG | 84 | 31.0% | 13.2 min |
| John F Kennedy International (JFK) | 79 | 98.7% | 76.8 min |
| San Francisco International (SFO) | 28 | 96.4% | 27.0 min |
| George Bush Intercontinental (IAH) | 25 | 100.0% | 36.7 min |
| Kingsford Smith (SYD) | 24 | 83.3% | 27.1 min |
| Brisbane International (BNE) | 20 | 95.0% | 31.2 min |
GET /flight_delays filtered by airline_iata=NZ 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=NZ
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.