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(WN) Southwest Airlines 3991 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MSY) Louis Armstrong New Orleans Intl Airport

New Orleans, LA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
79%
Late
2
11%
Very Late
1
5%
Excessive
0
0%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
11.88888888888889
Standard Deviation
10.6
Min
0
Max
36

WN 3991 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 79%
Average Delay Time 11.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 11.88888888888889 min
This flight has an average delay of 11.88888888888889 minutes with a standard deviation of 10.6 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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