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(AS) Alaska Airlines 4556 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MSO) Missoula Montana Airport

Missoula, MT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
62%
Late
3
7%
Very Late
6
13%
Excessive
8
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
27
Codeshares
45
Average Delay (min.)
56.44444444444444
Standard Deviation
115.6
Min
0
Max
613

AS 4556 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 62%
Average Delay Time 56.44444444444444 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 56.44444444444444 min
This flight has an average delay of 56.44444444444444 minutes with a standard deviation of 115.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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