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(AS) Alaska Airlines 4521 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(MIA) Miami International Airport

Miami, FL, US

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
77%
Late
4
13%
Very Late
0
0%
Excessive
2
6%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
16
Codeshares
30
Average Delay (min.)
18.3125
Standard Deviation
26.1
Min
0
Max
92

AS 4521 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 80%
Average Delay Time 18.3125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
4.3 of 5
Good
Average Delay Time 18.3125 min
This flight has an average delay of 18.3125 minutes with a standard deviation of 26.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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