(WN) Southwest Airlines 2421 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

71%

Late

14%

Very Late

Excessive

Cancelled

14%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

7.75

Standard Deviation

6.8

Min

Max

WN 2421 On-Time Performance Details

Overall Rating

2.9 of 5

Average

Percentage On-Time 71%

Average Delay Time 7.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.

On-Time Performance Rating

1.7 of 5

Average

Percentage On-Time 71%

This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 7.75 min

This flight has an average delay of 7.75 minutes with a standard deviation of 6.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.