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(AS) Alaska Airlines 5277 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(LHR) London Heathrow Airport

London, EN, GB

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
9
15%
Very Late
3
5%
Excessive
7
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
36
Codeshares
60
Average Delay (min.)
30.38888888888889
Standard Deviation
50.8
Min
0
Max
296

AS 5277 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 68%
Average Delay Time 30.38888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
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 18% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 30.38888888888889 min
This flight has an average delay of 30.38888888888889 minutes with a standard deviation of 50.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.