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(AS) Alaska Airlines 4577 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
63%
Late
1
5%
Very Late
0
0%
Excessive
4
21%
Cancelled
2
11%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
19
Average Delay (min.)
38.77777777777778
Standard Deviation
40.1
Min
0
Max
116

AS 4577 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 63%
Average Delay Time 38.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 38.77777777777778 min
This flight has an average delay of 38.77777777777778 minutes with a standard deviation of 40.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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