(WN) Southwest Airlines 626 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

20%

Late

20%

Very Late

Excessive

60%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

59.75

Standard Deviation

36.4

Min

Max

106

WN 626 On-Time Performance Details

Overall Rating

0.6 of 5

Poor

Percentage On-Time 20%

Average Delay Time 59.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 20%

This flight has an on-time performance of 20%. 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

1.2 of 5

Poor

Average Delay Time 59.75 min

This flight has an average delay of 59.75 minutes with a standard deviation of 36.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.