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(AS) Alaska Airlines 631 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(DEN) Denver International Airport

Denver, CO, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
74%
Late
3
7%
Very Late
3
7%
Excessive
5
11%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
59.15384615384615
Standard Deviation
75.8
Min
0
Max
285

AS 631 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 74%
Average Delay Time 59.15384615384615 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 59.15384615384615 min
This flight has an average delay of 59.15384615384615 minutes with a standard deviation of 75.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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