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(AS) Alaska Airlines 4538 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
75%
Late
1
8%
Very Late
0
0%
Excessive
2
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
4
Codeshares
12
Average Delay (min.)
39.5
Standard Deviation
26.7
Min
0
Max
72

AS 4538 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 75%
Average Delay Time 39.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 39.5 min
This flight has an average delay of 39.5 minutes with a standard deviation of 26.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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