WN1778 LAS → MDW

Southwest Airlines · Las Vegas, NV to Chicago, IL · 59 flights observed, 2025-11-02 to 2026-01-05 · 1,521 mi

This flight has been getting less reliable recently — 2026-01's on-time rate (40%) is well below the 83% average from earlier months.

WN1778 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
79%
Median delay
-3 min
90th percentile
+25 min
Cancellation rate
2%

How often is WN1778 on time?

Across 59 flights on LAS → MDW from 2025-11-02 to 2026-01-05, WN1778 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 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-time4679%
16-30 min814%
31-60 min12%
61-120 min35%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112483%+4 min
2025-122983%-2 min
2026-01540%+20 min

Performance by day of week

DayFlightsOn-time
Mon1070%
Tue967%
Wed989%
Thu875%
Fri989%
Sat4100%
Sun978%

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