MDW → BUFChicago to Buffalo

live

Direct flights from Chicago (MDW) to Buffalo (BUF): 17 nonstop departures observed each week across 1 airline. 90% of the last 20 tracked flights arrived within 15 minutes of schedule. The median arrival is 11 minutes early. No cancellations were recorded across the 20 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 Chicago and Buffalo. Updated 1 November 2026 at 11:53 UTC.

Today, MDW → BUF

Sun 1 Nov · local times
  1. 07:50 WN1538Southwest Airlines On scheduleGate A17 ·
  2. 12:55 WN246Southwest Airlines On scheduleGate B3 ·
  3. 18:40 WN2042Southwest Airlines Sched 18:40Departure not confirmed by the board ·

Checked MDW board 05:53 · BUF board 06:18

MDW Chicago smooth · +0
BUF Buffalo smooth · +0
752 km · ~1h 28m est.
dep bank 07:45–19:1017x weekly
Runs reliable · 1 airline · 17x weekly · nonstop
90% on time

of the last 20 tracked MDW → BUF flights arrived within 15 minutes

Median arrival delay is −11 min. 0 of 20 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−11 minacross the last 20 arrivals
Flight time~1h 28mestimated from route distance
Weekly departures17x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 20

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 AirlinesWN89% on time

Flights WN2012 07:45 Su · WN826 07:55 Tu We · WN908 07:55 Mo Th Fr · WN845 13:20 Mo Tu We Th Fr

History

operated legs · board outcomes
10-31WN2980dep +3 → arr−15
10-31WN503dep −6 → arr−21
10-30WN2846dep −5 → arr−22
10-30WN845dep −8 → arr−20
10-30WN908dep +5 → arr+18
10-29WN2846dep +16 → arr−3
10-29WN845dep +14 → arr+2
10-29WN908dep −5 → arr−5
10-28LN103JLarrived+0
10-28WN4008dep −1 → arr−11
10-28WN826dep −5 → arr−5
10-28WN845dep −7 → arr−21
10-27WN4008dep −7 → arr−26
10-27WN826dep −4 → arr−15
10-27WN845dep +15 → arr−21
10-26WN2846dep +1 → arr+1
10-26WN845dep +14 → arr−4
10-26WN908dep −8 → arr−23
10-25WN2012dep −8 → arr−20
10-25WN320dep +54 → arr+35

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
MDWChicago +0 min smooth 🌤 overcast · S 4 kt Full MDW delay board →
BUFBuffalo +0 min smooth 🌤 mostly cloudy · SE 4 kt Full BUF delay board →

Weather lens

Conditions are tightest at MDW and BUF: a 39% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Chicago to Buffalo route actually runs

Pro Flight Search records official board updates for nonstop MDW to BUF 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: Chicago (MDW) to Buffalo (BUF) route reliability, measured from operated flights on official airport boards.

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

MDW to BUF questions

Is MDW–BUF running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on MDW–BUF?

Operators schedule morning departures around 07:45 and evening departures around 18:00 from MDW. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BUF delay card to confirm conditions when you'd arrive.

How long is the flight from MDW to BUF?

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 MDW–BUF fly?

Southwest Airlines runs the route with about 17 flights a week (sun, mon, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.