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(AY) Finnair 1221 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(PRG) Vaclav Havel Airport Prague

Prague, CZ

On-Time Performance Chart

(using rounded numbers)
On-Time
55
92%
Late
0
0%
Very Late
0
0%
Excessive
1
2%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
12
Codeshares
4
Average Delay (min.)
8.666666666666666
Standard Deviation
16.3
Min
0
Max
60

AY 1221 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 92%
Average Delay Time 8.666666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 96% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
4.7 of 5
Very Good
Average Delay Time 8.666666666666666 min
This flight has an average delay of 8.666666666666666 minutes with a standard deviation of 16.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.