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(AS) Alaska Airlines 4255 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MDT) Harrisburg International Airport

Middletown, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
74%
Late
2
11%
Very Late
1
5%
Excessive
2
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
8
Codeshares
19
Average Delay (min.)
30.625
Standard Deviation
34.7
Min
0
Max
104

AS 4255 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 74%
Average Delay Time 30.625 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
1.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 30.625 min
This flight has an average delay of 30.625 minutes with a standard deviation of 34.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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