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(AS) Alaska Airlines 4578 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(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
26
67%
Late
7
18%
Very Late
0
0%
Excessive
5
13%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
17
Codeshares
39
Average Delay (min.)
39.294117647058826
Standard Deviation
42.3
Min
0
Max
170

AS 4578 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 67%
Average Delay Time 39.294117647058826 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 39.294117647058826 min
This flight has an average delay of 39.294117647058826 minutes with a standard deviation of 42.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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