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(AY) Finnair 991 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(KEF) Keflavik Airport

Reykjavik, IS

On-Time Performance Chart

(using rounded numbers)
On-Time
31
61%
Late
8
16%
Very Late
4
8%
Excessive
5
10%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
24.033333333333335
Standard Deviation
23.2
Min
0
Max
91

AY 991 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 61%
Average Delay Time 24.033333333333335 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 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 0% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 24.033333333333335 min
This flight has an average delay of 24.033333333333335 minutes with a standard deviation of 23.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.