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(WN) Southwest Airlines 4421 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-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
3
18%
Very Late
1
6%
Excessive
2
12%
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.)
30.88888888888889
Standard Deviation
29.8
Min
0
Max
87

WN 4421 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 65%
Average Delay Time 30.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very 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 10% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 30.88888888888889 min
This flight has an average delay of 30.88888888888889 minutes with a standard deviation of 29.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

Other Stops for WN 4421