WN1011 MDW → BOS

Southwest Airlines · Chicago, IL to Boston, MA · 35 flights observed, 2025-07-01 to 2025-08-04 · 861 mi

This flight's reliability varies a lot by day of week — 80% on-time on Tuesdays vs. 40% on Thursdays.

WN1011 covers more than one route in the data window — the stats below are for MDW → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+6 min
90th percentile
+92 min
Cancellation rate
3%

How often is WN1011 on time?

Across 35 flights on MDW → BOS from 2025-07-01 to 2025-08-04, WN1011 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +92 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2368%
16-30 min13%
31-60 min412%
61-120 min39%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073067%+29 min
2025-08475%+19 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue580%
Wed560%
Thu540%
Fri475%
Sat580%
Sun580%

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