
(AS) Alaska Airlines 4478 On-Time Performance Rating
Date Range:
15-Mar-2026 to 15-May-2026
On-Time Performance Chart
(using rounded numbers)
On-Time
33
80%
Late
1
2%
Very Late
1
2%
Excessive
5
12%
Cancelled
0
0%
Diverted
1
2%
Delay Statistics
(Aggregate Arrival Delay Statistics for this Flight)
Total Flights Observed
40
Total Delays ( > 1 min )
13
Codeshares
40
Average Delay (min.)
37.69230769230769
Standard Deviation
38.7
Min
0
Max
115