WN3838 MDW → LAX

Southwest Airlines · Chicago, IL to Los Angeles, CA · 34 flights observed, 2025-07-01 to 2025-08-04 · 1,751 mi

This flight runs much more reliably at some times of day than others — 89% on-time departing 12–3pm vs. 50% departing 6–9pm.

WN3838 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
70%
Median delay
+1 min
90th percentile
+71 min
Cancellation rate
3%

How often is WN3838 on time?

Across 34 flights on MDW → LAX from 2025-07-01 to 2025-08-04, WN3838 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +71 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2370%
16-30 min39%
31-60 min26%
61-120 min515%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072969%+13 min
2025-08475%+24 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue580%
Wed580%
Thu560%
Fri425%
Sat4100%
Sun580%

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