Finnair (AY) on-time performance

Of 6,499 sampled AY departures, 49.9% left 15 minutes or more behind schedule. Average lateness was 19.8 minutes. Sample window: Oct 19, 2025 to Oct 17, 2026. Its published schedule has about 830 flights a week on 62 routes.

These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.

On-time performance by month

Month Departures sampled Late Average lateness
Nov 2025 405 49.4% 16.5 min
Dec 2025 367 55.3% 19.6 min
Jan 2026 327 73.7% 37.2 min
Feb 2026 314 51.9% 20.0 min
Mar 2026 478 35.6% 11.8 min
Apr 2026 437 38.4% 15.5 min
May 2026 798 40.5% 15.4 min
Jun 2026 478 58.2% 26.6 min
Jul 2026 779 61.2% 23.6 min
Aug 2026 795 53.7% 21.2 min
Sep 2026 740 43.9% 17.7 min
Oct 2026 444 45.3% 17.6 min

On-time performance by airport

Departure airport Departures sampled Late Average lateness
Arlanda (ARN) 1,197 31.0% 12.8 min
Kastrup (CPH) 817 48.8% 18.9 min
Gardermoen (OSL) 558 53.4% 20.1 min
Landvetter (GOT) 524 28.1% 12.5 min
Düsseldorf International Airport (DUS) 430 38.6% 16.0 min
Charles De Gaulle (CDG) 427 80.1% 28.1 min
Hamburg Airport (HAM) 366 33.3% 13.8 min
Helsinki-vantaa (HEL) 343 35.9% 13.2 min
Brussels Airport (BRU) 330 45.2% 17.9 min
Schiphol (AMS) 245 84.1% 34.4 min

Busiest routes

Aircraft on its scheduled flights

The AY flights that are late right now

GET /flight_delays filtered by airline_iata=AY 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=AY

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.