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(AS) Alaska Airlines 398 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
2
3%
Very Late
4
7%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
20.238095238095237
Standard Deviation
31.3
Min
0
Max
145

AS 398 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 88%
Average Delay Time 20.238095238095237 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 20.238095238095237 min
This flight has an average delay of 20.238095238095237 minutes with a standard deviation of 31.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.