WN4020 DEN → RIC

Southwest Airlines · Denver, CO to Richmond, VA · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,481 mi

This flight has been on time less than half the time (35%) — expect a real chance of a delay.

WN4020 covers more than one route in the data window — the stats below are for DEN → RIC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
35%
Median delay
+24 min
90th percentile
+111 min
Cancellation rate
0%

How often is WN4020 on time?

Across 35 flights on DEN → RIC from 2025-07-01 to 2025-08-04, WN4020 arrived within 15 minutes of schedule 35% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +111 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1235%
16-30 min1029%
31-60 min39%
61-120 min618%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073033%+53 min
2025-08450%+14 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue520%
Wed520%
Thu540%
Fri540%
Sat540%
Sun450%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…