ORD → BUFChicago to Buffalo

live

Direct flights from Chicago (ORD) to Buffalo (BUF): 14 nonstop departures observed each week across 2 airlines. 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 760 km, an estimated 1 hour 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and Buffalo. Updated 18 October 2026 at 13:12 UTC.

Today, ORD → BUF

Sun 18 Oct · local times
  1. 06:50 UA265United Left 06:52 BUF est. 09:23In the air · sched 09:29
  2. 08:03 AA4780American Airlines Left 07:58 ·
  3. 10:25 UA4429United Airlines On scheduleGate F25 · T2 ·
  4. 14:00 UA580United Airlines On scheduleGate G4 · T3 ·
  5. 14:20 AA2921American Airlines On scheduleGate K10 · T3 ·
  6. 18:00 UA1335United Airlines On scheduleGate B20 · T1 ·
  7. 21:16 AA564American Airlines Sched 21:16Departure not confirmed by the board ·

Checked ORD board 08:12 · BUF board 06:18

ORD Chicago smooth · +0
BUF Buffalo smooth · +0
760 km · ~1h 28m est.
dep bank 06:50–21:1614x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
89% on time

of the last 9 operated ORD → BUF 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 departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesUnited 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 AA3664 08:03 Sa · AA4780 08:03 Mo Tu We Th Fr Su · AA2921 14:20 daily · AA564 21:16 daily

United AirlinesUA100% on time

Flights UA265 06:50 daily · UA4429 10:25 Su · UA5275 10:25 Mo Tu We Th Fr Sa · UA580 14:00 daily

History

operated legs · board outcomes
10-18AA4780departed−5
10-18UA265dep +2 → arr−6
10-17AA2921dep −7 → arr−39
10-17AA3664dep −3 → arr−23
10-17AA564dep +84 → arr+69
10-17UA1335dep −1 → arr−14
10-17UA265dep −4 → arr−14
10-17UA5275dep +24 → arr+10
10-17UA580dep −3 → arr−12

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
ORDChicago +0 min smooth 🌤 few clouds · SSW 7 kt Full ORD delay board →
BUFBuffalo +0 min smooth 🌤 few clouds · SSW 6 kt Full BUF delay board →

Weather lens

Current conditions put the pressure at ORD and BUF: 43% odds of a 15+ minute delay and around +12 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Chicago to Buffalo route actually runs

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

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

ORD to BUF questions

Is ORD–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 ORD–BUF?

Operators schedule morning departures around 06:50 and evening departures around 18:00 from ORD. 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 ORD to BUF?

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 ORD–BUF fly?

2 carriers operate this route, around 49 flights a week between them. Compare carrier days and times in the airline list above.