WN1939 DEN → MKE

Southwest Airlines · Denver, CO to Milwaukee, WI · 33 flights observed, 2026-03-05 to 2026-04-06 · 896 mi

This flight's reliability varies a lot by day of week — 80% on-time on Thursdays vs. 20% on Fridays.

WN1939 covers more than one route in the data window — the stats below are for DEN → MKE, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
61%
Median delay
+5 min
90th percentile
+41 min
Cancellation rate
6%

How often is WN1939 on time?

Across 33 flights on DEN → MKE from 2026-03-05 to 2026-04-06, WN1939 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +41 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1961%
16-30 min413%
31-60 min619%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032560%+26 min
2026-04667%+7 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue450%
Wed4100%
Thu580%
Fri520%
Sat560%
Sun475%

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