WN440 BHM → MDW

Southwest Airlines · Birmingham, AL to Chicago, IL · 53 flights observed, 2026-01-06 to 2026-03-04 · 570 mi

This flight has a strong track record — on time 94% of the time, with a low cancellation rate.

WN440 covers more than one route in the data window — the stats below are for BHM → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
94%
Median delay
-8 min
90th percentile
+2 min
Cancellation rate
0%

How often is WN440 on time?

Across 53 flights on BHM → MDW from 2026-01-06 to 2026-03-04, WN440 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +2 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4994%
16-30 min00%
31-60 min12%
61-120 min00%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0121100%-11 min
2026-022789%+20 min
2026-034100%-8 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue9100%
Wed8100%
Thu8100%
Fri888%
Sat3100%
Sun8100%

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