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(AS) Alaska Airlines 21 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
78%
Late
3
5%
Very Late
3
5%
Excessive
4
6%
Cancelled
1
2%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
37.5
Standard Deviation
39
Min
0
Max
150

AS 21 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 82%
Average Delay Time 37.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 37.5 min
This flight has an average delay of 37.5 minutes with a standard deviation of 39 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.