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(WN) Southwest Airlines 3339 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
82%
Late
1
9%
Very Late
0
0%
Excessive
0
0%
Cancelled
1
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
10.5
Standard Deviation
12.8
Min
0
Max
29

WN 3339 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 82%
Average Delay Time 10.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 82%
This flight has an on-time performance of 82%. 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
3.9 of 5
Good
Average Delay Time 10.5 min
This flight has an average delay of 10.5 minutes with a standard deviation of 12.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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