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(AS) Alaska Airlines 4621 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(IND) Indianapolis International Airport

Indianapolis, IN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
79%
Late
1
3%
Very Late
1
3%
Excessive
2
6%
Cancelled
3
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
5
Codeshares
33
Average Delay (min.)
36.6
Standard Deviation
21.7
Min
0
Max
60

AS 4621 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 79%
Average Delay Time 36.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 36.6 min
This flight has an average delay of 36.6 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.