background

(JL) JAL 6377 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-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
28
62%
Late
10
22%
Very Late
3
7%
Excessive
4
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
32
Codeshares
45
Average Delay (min.)
20.875
Standard Deviation
20
Min
0
Max
78

JL 6377 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 62%
Average Delay Time 20.875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 20.875 min
This flight has an average delay of 20.875 minutes with a standard deviation of 20 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.