BUF → MDWBuffalo to Chicago

live

Direct flights from Buffalo (BUF) to Chicago (MDW): 7 nonstop departures observed each week across 1 airline. 89% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. No cancellations were recorded across the 9 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 21 October 2026 at 17:04 UTC.

Today, BUF → MDW

Wed 21 Oct · local times
  1. 08:25 WN3607Southwest Airlines Left 08:33 +8 Landed 08:53 −12
  2. 14:00 WN3867Southwest Airlines On schedule MDW 14:40scheduled

Checked BUF board 10:18 · MDW board 12:04

BUF Buffalo smooth · +6
MDW Chicago smooth · +0
752 km · ~1h 28m est.
dep bank 07:30–19:557x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
89% on time

of the last 9 operated BUF → MDW flights arrived within 15 minutes

Median arrival delay is −12 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−12 minacross the last 9 operated legs
Flight time~1h 28mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
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 days
Southwest AirlinesWN88% on time

Flights WN4547 07:30 Mo Th Fr Sa Su · WN3607 08:25 Tu We · WN3867 14:00 Tu We · WN408 14:20 Mo Th Fr

History

operated legs · board outcomes
10-21WN3607dep +8 → arr−12
10-20WN3086dep +12 → arr−12
10-20WN3607dep +0 → arr−15
10-20WN3867dep +4 → arr−24
10-191I559dep −8 → arr−18
10-19WN408dep +8 → arr−7
10-19WN4547dep +13 → arr−9
10-19WN840dep +35 → arr+10
10-18WN1070departed+44

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BUFBuffalo +6 min smooth 🌤 clear · N 0 kt Full BUF delay board →
MDWChicago +0 min smooth 🌤 clear · N 0 kt Full MDW delay board →

Weather lens

Current conditions put the pressure at BUF and MDW: 42% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

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
https://proflightsearch.com/search-flights/BUF-MDW
How we measure this →

BUF to MDW questions

Is BUF–MDW running on time right now?

Smooth skies ahead. The departure side at BUF is the weaker end, route health score 95/100. 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 07:30 and evening departures around 19:00 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 20 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.