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(AS) Alaska Airlines 5270 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
49
82%
Late
8
13%
Very Late
2
3%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
21
Codeshares
60
Average Delay (min.)
19.80952380952381
Standard Deviation
13.5
Min
0
Max
56

AS 5270 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 82%
Average Delay Time 19.80952380952381 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 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 88% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 19.80952380952381 min
This flight has an average delay of 19.80952380952381 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.