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(AY) Finnair 435 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(OUL) Oulu Airport

Oulu, FI

On-Time Performance Chart

(using rounded numbers)
On-Time
51
91%
Late
4
7%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
21.57894736842105
Standard Deviation
55.4
Min
0
Max
249

AY 435 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 91%
Average Delay Time 21.57894736842105 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 21.57894736842105 min
This flight has an average delay of 21.57894736842105 minutes with a standard deviation of 55.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.