(WN) Southwest Airlines 121 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(MCO) Orlando International Airport

Orlando, FL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

50%

Late

Very Late

Excessive

17%

Cancelled

17%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

35.42857142857143

Standard Deviation

28.5

Min

Max

WN 121 On-Time Performance Details

Overall Rating

1.5 of 5

Poor

Percentage On-Time 50%

Average Delay Time 35.42857142857143 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.

On-Time Performance Rating

0.2 of 5

Very Poor

Percentage On-Time 50%

This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 35.42857142857143 min

This flight has an average delay of 35.42857142857143 minutes with a standard deviation of 28.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.