Southwest AirlinesWN73% on time
Flights WN766 varies Mo Tu We Th Fr Su · WN4911 08:40 Tu We Sa · WN3295 varies Tu Su · WN280 11:45 Mo Th Fr
live
Direct flights from Buffalo (BUF) to Chicago (MDW): 7 nonstop departures observed each week across 1 airline. 73% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes late. No cancellations were recorded across the 11 tracked flights. The nonstop covers 752 km, an estimated 1 hour 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Buffalo and Chicago. Updated 16 September 2026 at 17:29 UTC.
BUF
Buffalo
smooth · +4
MDW
Chicago
smooth · +0
752 km · ~1h 28m est.
Runs mixed · 1 airline · 7x weekly · nonstop
73% on time
of the last 11 operated BUF → MDW flights arrived within 15 minutes
Median arrival delay is +3 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+3 minacross the last 11 operated legs
Flight time~1h 28mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 11
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at BUF: 52% odds of a 15+ minute delay and around +19 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Buffalo to Chicago route actually runs
Pro Flight Search records official board updates for nonstop BUF to MDW flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Buffalo (BUF) to Chicago (MDW) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BUF-MDW
BUF to MDW questions
Is BUF–MDW running on time right now?
Some delays possible. The departure side at BUF is the weaker end, route health score 62/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BUF–MDW?
Operators schedule morning departures around 08:40 and evening departures around 19:10 from BUF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MDW delay card to confirm conditions when you'd arrive.
How long is the flight from BUF to MDW?
Great-circle distance is 752 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 83–94 min gate-to-gate on this route.
How often does BUF–MDW fly?
Southwest Airlines runs the route with about 21 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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