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(AS) Alaska Airlines 351 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(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
49
80%
Late
8
13%
Very Late
2
3%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
17
Standard Deviation
16.5
Min
0
Max
72

AS 351 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 82%
Average Delay Time 17 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 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 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 84% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 17 min
This flight has an average delay of 17 minutes with a standard deviation of 16.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.