WN512 MDW → LAS

Southwest Airlines · Chicago, IL to Las Vegas, NV · 33 flights observed, 2026-03-05 to 2026-04-06 · 1,521 mi

This flight has been on time less than half the time (45%) — expect a real chance of a delay.

WN512 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
45%
Median delay
+17 min
90th percentile
+80 min
Cancellation rate
6%

How often is WN512 on time?

Across 33 flights on MDW → LAS from 2026-03-05 to 2026-04-06, WN512 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +80 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1445%
16-30 min723%
31-60 min516%
61-120 min413%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032748%+29 min
2026-04425%+17 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue450%
Wed425%
Thu425%
Fri425%
Sat560%
Sun560%

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