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(JL) JAL 6377 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(FCA) Glacier Park International Airport

Kalispell, MT, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
13
21%
Very Late
2
3%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
61
Average Delay (min.)
20.205882352941178
Standard Deviation
23.9
Min
0
Max
128

JL 6377 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 71%
Average Delay Time 20.205882352941178 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 20.205882352941178 min
This flight has an average delay of 20.205882352941178 minutes with a standard deviation of 23.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.