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(AS) Alaska Airlines 4779 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
72%
Late
4
7%
Very Late
1
2%
Excessive
10
16%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
27
Codeshares
60
Average Delay (min.)
35.074074074074076
Standard Deviation
40.4
Min
0
Max
188

AS 4779 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 73%
Average Delay Time 35.074074074074076 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 35.074074074074076 min
This flight has an average delay of 35.074074074074076 minutes with a standard deviation of 40.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.