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(AS) Alaska Airlines 351 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
44%
Late
11
20%
Very Late
7
13%
Excessive
10
19%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
37
Codeshares
0
Average Delay (min.)
34.108108108108105
Standard Deviation
24.5
Min
0
Max
102

AS 351 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 46%
Average Delay Time 34.108108108108105 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 34.108108108108105 min
This flight has an average delay of 34.108108108108105 minutes with a standard deviation of 24.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

Other Stops for AS 351