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(AS) Alaska Airlines 4638 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-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
28
64%
Late
4
9%
Very Late
2
5%
Excessive
8
18%
Cancelled
0
0%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
16
Codeshares
42
Average Delay (min.)
43.6875
Standard Deviation
27.6
Min
0
Max
101

AS 4638 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 43.6875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 43.6875 min
This flight has an average delay of 43.6875 minutes with a standard deviation of 27.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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