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(AY) Finnair 1335 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
35
61%
Late
12
21%
Very Late
4
7%
Excessive
5
9%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
20.846153846153847
Standard Deviation
16
Min
0
Max
69

AY 1335 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 61%
Average Delay Time 20.846153846153847 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 20.846153846153847 min
This flight has an average delay of 20.846153846153847 minutes with a standard deviation of 16 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.