BUF → ORDBuffalo to Chicago

live

Direct flights from Buffalo (BUF) to Chicago (ORD): 18 nonstop departures observed each week across 3 airlines. 75% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 8 tracked flights. The nonstop covers 760 km, an estimated 1 hour 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Buffalo and Chicago. Updated 10 September 2026 at 07:39 UTC.

BUF Buffalo smooth · +6
ORD Chicago smooth · +4
760 km · ~1h 28m est.
dep bank 05:11–18:0918x weekly
Runs mixed · 3 airlines · 18x weekly · nonstop
75% on time

of the last 8 operated BUF → ORD flights arrived within 15 minutes

Median arrival delay is +2 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 8 operated legs
Flight time~1h 28mestimated from route distance
Weekly departures18x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesUnited AirlinesUPS 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
American AirlinesAA

Flights AA4411 05:11 daily · AA4751 12:18 We Th · AA1195 18:09 daily

United AirlinesUA

Flights UA543 06:55 daily · UA323 10:30 daily · UA324 10:30 Tu We · UA4533 13:51 daily

UPS Airlines5X

Flights 5X9744 06:17 Tu We Th Sa

History

operated legs · board outcomes
09-095X9745arrived+2
09-09AA4512dep +8 → arr−27
09-09AA4751dep +48 → arr+16
09-09AA856dep +18 → arr−16
09-09UA2747dep +19 → arr−11
09-09UA324dep −1 → arr+3
09-09UA5397dep +57 → arr+51
09-09UA543dep +4 → arr−24

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 🌤 scattered clouds · SW 8 kt Full BUF delay board →
ORDChicago +4 min smooth 🌤 overcast · W 5 kt Full ORD delay board →

Weather lens

Current conditions put the pressure at BUF and ORD: 45% odds of a 15+ minute delay and around +13 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 ORD 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 (ORD) route reliability, measured from operated flights on official airport boards.

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

BUF to ORD questions

Is BUF–ORD running on time right now?

Smooth skies ahead. The departure side at BUF is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BUF–ORD?

Operators schedule morning departures around 05:11 and evening departures around 17:58 from BUF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ORD delay card to confirm conditions when you'd arrive.

How long is the flight from BUF to ORD?

Great-circle distance is 760 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 84–95 min gate-to-gate on this route.

How often does BUF–ORD fly?

3 carriers operate this route, around 52 flights a week between them. Compare carrier days and times in the airline list above.