(WN) Southwest Airlines 121 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

69%

Late

15%

Very Late

Excessive

15%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

28.1

Standard Deviation

33.8

Min

Max

109

WN 121 On-Time Performance Details

Overall Rating

2.4 of 5

Average

Percentage On-Time 69%

Average Delay Time 28.1 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.

On-Time Performance Rating

1.5 of 5

Poor

Percentage On-Time 69%

This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 28.1 min

This flight has an average delay of 28.1 minutes with a standard deviation of 33.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.