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(AS) Alaska Airlines 6661 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(FSD) Sioux Falls Regional Airport

Sioux Falls, SD, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
69%
Late
3
7%
Very Late
1
2%
Excessive
6
13%
Cancelled
3
7%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
13
Codeshares
44
Average Delay (min.)
51.38461538461539
Standard Deviation
52.8
Min
0
Max
191

AS 6661 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 71%
Average Delay Time 51.38461538461539 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 51.38461538461539 min
This flight has an average delay of 51.38461538461539 minutes with a standard deviation of 52.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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