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(WN) Southwest Airlines 4421 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
65%
Late
5
29%
Very Late
1
6%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
17.555555555555557
Standard Deviation
7.5
Min
0
Max
30

WN 4421 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 65%
Average Delay Time 17.555555555555557 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 17.555555555555557 min
This flight has an average delay of 17.555555555555557 minutes with a standard deviation of 7.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

Other Stops for WN 4421