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(AS) Alaska Airlines 4578 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-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
39
76%
Late
2
4%
Very Late
0
0%
Excessive
6
12%
Cancelled
3
6%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
15
Codeshares
50
Average Delay (min.)
47.733333333333334
Standard Deviation
59
Min
0
Max
214

AS 4578 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 78%
Average Delay Time 47.733333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 47.733333333333334 min
This flight has an average delay of 47.733333333333334 minutes with a standard deviation of 59 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.