Of 195 sampled ZG departures, 85.6% left 15 minutes or more behind schedule. Average lateness was 48.2 minutes. Sample window: Oct 19, 2025 to Oct 3, 2026. Its published schedule has about 21 flights a week on 3 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 | 26 | 80.8% | 35.6 min |
| Mar 2026 | 29 | 93.1% | 52.3 min |
| May 2026 | 56 | 89.3% | 33.0 min |
| Aug 2026 | 21 | 81.0% | 86.3 min |
| Sep 2026 | 23 | 69.6% | 43.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Los Angeles International (LAX) | 67 | 80.6% | 65.5 min |
| Narita International Airport (NRT) | 52 | 90.4% | 28.6 min |
| San Francisco International (SFO) | 44 | 97.7% | 47.2 min |
GET /flight_delays filtered by airline_iata=ZG 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=ZG
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.