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(AS) Alaska Airlines 4257 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
39%
Late
2
11%
Very Late
1
6%
Excessive
7
39%
Cancelled
0
0%
Diverted
1
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
10
Codeshares
17
Average Delay (min.)
74.4
Standard Deviation
64.9
Min
0
Max
238

AS 4257 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 41%
Average Delay Time 74.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 41%
This flight has an on-time performance of 41%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 74.4 min
This flight has an average delay of 74.4 minutes with a standard deviation of 64.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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