WN3834 MDW → LAS

Southwest Airlines · Chicago, IL to Las Vegas, NV · 25 flights observed, 2025-07-01 to 2025-08-04 · 1,521 mi

This flight runs much more reliably at some times of day than others — 80% on-time departing 3–6pm vs. 36% departing 9pm–12am.

WN3834 covers more than one route in the data window — the stats below are for MDW → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
56%
Median delay
+7 min
90th percentile
+81 min
Cancellation rate
0%

How often is WN3834 on time?

Across 25 flights on MDW → LAS from 2025-07-01 to 2025-08-04, WN3834 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +81 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1456%
16-30 min28%
31-60 min416%
61-120 min416%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072357%+18 min
2025-08250%+68 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue5100%
Wed560%
Thu520%
Fri540%
SatNo data—
SunNo data—

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