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(AS) Alaska Airlines 4137 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
67%
Late
0
0%
Very Late
0
0%
Excessive
4
27%
Cancelled
1
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
4
Codeshares
15
Average Delay (min.)
118.5
Standard Deviation
62.1
Min
0
Max
203

AS 4137 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 118.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 118.5 min
This flight has an average delay of 118.5 minutes with a standard deviation of 62.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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