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(AS) Alaska Airlines 5551 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(KEF) Keflavik Airport

Reykjavik, IS

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
68%
Late
11
19%
Very Late
3
5%
Excessive
4
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
36
Codeshares
59
Average Delay (min.)
23.555555555555557
Standard Deviation
25.9
Min
0
Max
104

AS 5551 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 68%
Average Delay Time 23.555555555555557 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 23.555555555555557 min
This flight has an average delay of 23.555555555555557 minutes with a standard deviation of 25.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.