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(AS) Alaska Airlines 4137 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(SCE) State College Regional Airport

State College, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
85%
Late
2
3%
Very Late
3
5%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
10
Codeshares
60
Average Delay (min.)
52.2
Standard Deviation
43
Min
0
Max
158

AS 4137 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 85%
Average Delay Time 52.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 52.2 min
This flight has an average delay of 52.2 minutes with a standard deviation of 43 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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