WN1230 LAS → MDW

Southwest Airlines · Las Vegas, NV to Chicago, IL · 57 flights observed, 2026-04-07 to 2026-06-03 · 1,521 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 50% on Mondays.

WN1230 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
86%
Median delay
-5 min
90th percentile
+25 min
Cancellation rate
2%

How often is WN1230 on time?

Across 57 flights on LAS → MDW from 2026-04-07 to 2026-06-03, WN1230 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +25 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4886%
16-30 min47%
31-60 min47%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042496%-14 min
2026-052979%+2 min
2026-06367%+11 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue989%
Wed9100%
Thu875%
Fri888%
Sat8100%
Sun6100%

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