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(AS) Alaska Airlines 4638 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
57%
Late
0
0%
Very Late
0
0%
Excessive
1
14%
Cancelled
2
29%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
7
Total Delays ( > 1 min )
3
Codeshares
7
Average Delay (min.)
26
Standard Deviation
25.2
Min
0
Max
55

AS 4638 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 57%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 25.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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