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(JL) JAL 7634 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(TUL) Tulsa International Airport

Tulsa, OK, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
78%
Late
0
0%
Very Late
1
2%
Excessive
9
17%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
18
Codeshares
53
Average Delay (min.)
48.72222222222222
Standard Deviation
44.4
Min
0
Max
122

JL 7634 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 79%
Average Delay Time 48.72222222222222 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
4.2 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 48.72222222222222 min
This flight has an average delay of 48.72222222222222 minutes with a standard deviation of 44.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.