WN3219 LAS → MDW

Southwest Airlines · Las Vegas, NV to Chicago, IL · 42 flights observed, 2025-08-05 to 2025-10-01 · 1,521 mi

This flight's reliability varies a lot by day of week — 89% on-time on Wednesdays vs. 25% on Thursdays.

WN3219 covers more than one route in the data window — the stats below are for LAS → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
57%
Median delay
+11 min
90th percentile
+90 min
Cancellation rate
2%

How often is WN3219 on time?

Across 42 flights on LAS → MDW from 2025-08-05 to 2025-10-01, WN3219 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +90 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2357%
16-30 min25%
31-60 min820%
61-120 min718%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081867%+17 min
2025-092148%+26 min
2025-101100%-25 min

Performance by day of week

DayFlightsOn-time
Mon757%
Tue967%
Wed989%
Thu825%
Fri743%
SatNo data—
SunNo data—

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