(WN) Southwest Airlines 1228 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(COS) Colorado Springs Airport

Colorado Springs, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

70%

Late

Very Late

Excessive

13%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

36.18181818181818

Standard Deviation

35.4

Min

Max

100

WN 1228 On-Time Performance Details

Overall Rating

2.3 of 5

Average

Percentage On-Time 70%

Average Delay Time 36.18181818181818 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.

On-Time Performance Rating

1.9 of 5

Average

Percentage On-Time 70%

This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 36.18181818181818 min

This flight has an average delay of 36.18181818181818 minutes with a standard deviation of 35.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.