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(JL) JAL 9397 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(TOS) Tromso Langnes Airport

Tromso, NO

On-Time Performance Chart

(using rounded numbers)
On-Time
25
74%
Late
5
15%
Very Late
4
12%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
24
Codeshares
34
Average Delay (min.)
12.833333333333334
Standard Deviation
11.8
Min
0
Max
38

JL 9397 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 74%
Average Delay Time 12.833333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 12.833333333333334 min
This flight has an average delay of 12.833333333333334 minutes with a standard deviation of 11.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.