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(AS) Alaska Airlines 4638 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(ORF) Norfolk International Airport

Norfolk, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
53%
Late
3
18%
Very Late
2
12%
Excessive
3
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
11
Codeshares
17
Average Delay (min.)
37.09090909090909
Standard Deviation
29.7
Min
0
Max
89

AS 4638 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 53%
Average Delay Time 37.09090909090909 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 37.09090909090909 min
This flight has an average delay of 37.09090909090909 minutes with a standard deviation of 29.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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