WN3332 MDW → ONT

Southwest Airlines · Chicago, IL to Ontario, CA · 58 flights observed, 2026-04-07 to 2026-06-03 · 1,706 mi

This flight runs much more reliably at some times of day than others — 75% on-time departing 3–6pm vs. 29% departing 9pm–12am.

WN3332 covers more than one route in the data window — the stats below are for MDW → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
64%
Median delay
+9 min
90th percentile
+51 min
Cancellation rate
0%

How often is WN3332 on time?

Across 58 flights on MDW → ONT from 2026-04-07 to 2026-06-03, WN3332 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +51 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3764%
16-30 min1017%
31-60 min712%
61-120 min35%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042471%+22 min
2026-053155%+17 min
2026-063100%-13 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue956%
Wed989%
Thu850%
Fri863%
Sat875%
Sun838%

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