Of 2,769 sampled CZ departures, 53.6% left 15 minutes or more behind schedule. Average lateness was 20.8 minutes. Sample window: Oct 17, 2025 to Oct 15, 2026. Its published schedule has about 386 flights a week on 31 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 | 363 | 62.5% | 21.8 min |
| Dec 2025 | 68 | 69.1% | 25.4 min |
| Jan 2026 | 73 | 64.4% | 28.1 min |
| Feb 2026 | 31 | 51.6% | 17.8 min |
| Mar 2026 | 74 | 54.1% | 16.5 min |
| Apr 2026 | 86 | 73.3% | 26.9 min |
| May 2026 | 1,288 | 43.6% | 19.0 min |
| Jun 2026 | 65 | 63.1% | 25.6 min |
| Jul 2026 | 155 | 58.7% | 21.0 min |
| Aug 2026 | 209 | 64.6% | 19.9 min |
| Sep 2026 | 218 | 56.0% | 21.0 min |
| Oct 2026 | 98 | 61.2% | 22.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Shenzhen (SZX) | 632 | 40.7% | 22.4 min |
| Schiphol (AMS) | 324 | 73.2% | 26.6 min |
| Beijing Daxing International Airport (PKX) | 313 | 53.0% | 17.8 min |
| Seoul (Incheon) (ICN) | 210 | 27.1% | 11.0 min |
| Frankfurt International Airport (FRA) | 197 | 46.2% | 16.6 min |
| CAN | 171 | 80.7% | 25.7 min |
| Heathrow (LHR) | 167 | 63.5% | 19.4 min |
| Charles De Gaulle (CDG) | 155 | 81.9% | 28.2 min |
| Gatwick (LGW) | 141 | 57.5% | 21.2 min |
| Los Angeles International (LAX) | 89 | 34.8% | 12.7 min |
12 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Airbus A318/A319/A32 | 6 |
| Boeing 737 Classic | 4 |
| Boeing 737 NG | 2 |
GET /flight_delays filtered by airline_iata=CZ 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=CZ
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.