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(JL) JAL 7638 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
2
3%
Very Late
2
3%
Excessive
4
7%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
15
Codeshares
61
Average Delay (min.)
55
Standard Deviation
87.3
Min
0
Max
330

JL 7638 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 84%
Average Delay Time 55 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 55 min
This flight has an average delay of 55 minutes with a standard deviation of 87.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.