WN3340 LAS → MDW

Southwest Airlines · Las Vegas, NV to Chicago, IL · 14 flights observed, 2025-07-03 to 2025-08-04 · 1,521 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 40% on Thursdays.

WN3340 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
62%
Median delay
+13 min
90th percentile
+176 min
Cancellation rate
7%

How often is WN3340 on time?

Across 14 flights on LAS → MDW from 2025-07-03 to 2025-08-04, WN3340 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +176 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time862%
16-30 min18%
31-60 min18%
61-120 min18%
2+ hrs215%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071164%+27 min
2025-08250%+120 min

Performance by day of week

DayFlightsOn-time
Mon580%
TueNo data—
WedNo data—
Thu540%
Fri367%
SatNo data—
SunNo data—

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