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(AS) Alaska Airlines 4255 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(EYW) Key West International Airport

Key West, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
85%
Late
0
0%
Very Late
1
8%
Excessive
1
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
4
Codeshares
13
Average Delay (min.)
64
Standard Deviation
95.4
Min
0
Max
206

AS 4255 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 85%
Average Delay Time 64 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 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 79% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 64 min
This flight has an average delay of 64 minutes with a standard deviation of 95.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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