(WN) Southwest Airlines 991 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-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

24%

Late

33%

Very Late

33%

Excessive

10%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

24.80952380952381

Standard Deviation

16.6

Min

Max

WN 991 On-Time Performance Details

Overall Rating

2.1 of 5

Average

Percentage On-Time 24%

Average Delay Time 24.80952380952381 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 24%

This flight has an on-time performance of 24%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 24.80952380952381 min

This flight has an average delay of 24.80952380952381 minutes with a standard deviation of 16.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.