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(WN) Southwest Airlines 991 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
40%
Late
2
40%
Very Late
0
0%
Excessive
1
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
29.2
Standard Deviation
28.7
Min
11
Max
80

WN 991 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 40%
Average Delay Time 29.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 29.2 min
This flight has an average delay of 29.2 minutes with a standard deviation of 28.7 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 991