WN2159 MDW → LAX

Southwest Airlines · Chicago, IL to Los Angeles, CA · 55 flights observed, 2025-11-02 to 2026-01-05 · 1,751 mi

This flight's reliability varies a lot by day of week — 100% on-time on Fridays vs. 56% on Wednesdays.

WN2159 covers more than one route in the data window — the stats below are for MDW → LAX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
0 min
90th percentile
+37 min
Cancellation rate
2%

How often is WN2159 on time?

Across 55 flights on MDW → LAX from 2025-11-02 to 2026-01-05, WN2159 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +37 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4278%
16-30 min59%
31-60 min59%
61-120 min12%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112383%+4 min
2025-122778%+10 min
2026-01450%+15 min

Performance by day of week

DayFlightsOn-time
Mon967%
Tue989%
Wed956%
Thu875%
Fri9100%
SatNo data—
Sun1080%

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