WN1987 MDW → LAS

Southwest Airlines · Chicago, IL to Las Vegas, NV · 51 flights observed, 2025-11-02 to 2026-01-05 · 1,521 mi

This flight's reliability varies a lot by day of week — 83% on-time on Fridays vs. 33% on Sundays.

WN1987 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
63%
Median delay
+9 min
90th percentile
+81 min
Cancellation rate
4%

How often is WN1987 on time?

Across 51 flights on MDW → LAS from 2025-11-02 to 2026-01-05, WN1987 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +81 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3163%
16-30 min714%
31-60 min24%
61-120 min612%
2+ hrs36%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112463%+23 min
2025-122268%+18 min
2026-01333%+47 min

Performance by day of week

DayFlightsOn-time
Mon743%
Tue667%
Wed863%
Thu875%
Fri683%
Sat875%
Sun633%

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