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(AS) Alaska Airlines 4137 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORF) Norfolk International Airport

Norfolk, VA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
65%
Late
7
12%
Very Late
3
5%
Excessive
10
17%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
24
Codeshares
59
Average Delay (min.)
68.75
Standard Deviation
82.3
Min
0
Max
336

AS 4137 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 66%
Average Delay Time 68.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 68.75 min
This flight has an average delay of 68.75 minutes with a standard deviation of 82.3 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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