(WN) Southwest Airlines 1220 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(MCI) Kansas City International Airport

Kansas City, MO, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

21%

Late

26%

Very Late

32%

Excessive

21%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

44.13333333333333

Standard Deviation

33.5

Min

Max

138

WN 1220 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 21%

Average Delay Time 44.13333333333333 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 21%

This flight has an on-time performance of 21%. 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

1.4 of 5

Poor

Average Delay Time 44.13333333333333 min

This flight has an average delay of 44.13333333333333 minutes with a standard deviation of 33.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.