WN2511 MDW → ONT

Southwest Airlines · Chicago, IL to Ontario, CA · 24 flights observed, 2025-07-03 to 2025-08-04 · 1,706 mi

This flight runs much more reliably at some times of day than others — 86% on-time departing 12–3pm vs. 50% departing 3–6pm.

WN2511 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
71%
Median delay
+4 min
90th percentile
+66 min
Cancellation rate
0%

How often is WN2511 on time?

Across 24 flights on MDW → ONT from 2025-07-03 to 2025-08-04, WN2511 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +66 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1771%
16-30 min14%
31-60 min313%
61-120 min28%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072065%+29 min
2025-084100%-2 min

Performance by day of week

DayFlightsOn-time
Mon580%
TueNo data—
WedNo data—
Thu5100%
Fri475%
Sat560%
Sun540%

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