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(AS) Alaska Airlines 477 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
77%
Late
6
10%
Very Late
0
0%
Excessive
5
8%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
28.05
Standard Deviation
37.5
Min
0
Max
158

AS 477 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 77%
Average Delay Time 28.05 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
3.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 28.05 min
This flight has an average delay of 28.05 minutes with a standard deviation of 37.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.