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(WN) Southwest Airlines 4459 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
37%
Late
3
11%
Very Late
7
26%
Excessive
6
22%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
36.38095238095238
Standard Deviation
26.7
Min
0
Max
121

WN 4459 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 39%
Average Delay Time 36.38095238095238 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
This flight has an on-time performance of 39%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 36.38095238095238 min
This flight has an average delay of 36.38095238095238 minutes with a standard deviation of 26.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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