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(AS) Alaska Airlines 4235 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
89%
Late
1
2%
Very Late
1
2%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
9
Codeshares
53
Average Delay (min.)
47.666666666666664
Standard Deviation
44.9
Min
0
Max
143

AS 4235 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 89%
Average Delay Time 47.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 47.666666666666664 min
This flight has an average delay of 47.666666666666664 minutes with a standard deviation of 44.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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