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(AS) Alaska Airlines 4228 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(MIA) Miami International Airport

Miami, FL, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
3
14%
Very Late
1
5%
Excessive
1
5%
Cancelled
0
0%
Diverted
2
10%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
11
Codeshares
19
Average Delay (min.)
20.545454545454547
Standard Deviation
21.3
Min
0
Max
76

AS 4228 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 74%
Average Delay Time 20.545454545454547 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 20.545454545454547 min
This flight has an average delay of 20.545454545454547 minutes with a standard deviation of 21.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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