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UA2747 Flight Information & Schedule

United Airlines · Buffalo Niagara International Airport (BUF) to Chicago O'Hare International Airport (ORD)

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UA2747 Buffalo Niagara International Airport to Chicago O'Hare International Airport nonstop flight: schedule, airports, aircraft and travel guide.

UA2747 Flight Overview

UA2747 is operated by United Airlines and connects Buffalo Niagara International Airport (BUF) and Chicago O'Hare International Airport (ORD). Scheduled departure: 2026-10-29 17:58 (UTC-04:00); scheduled arrival: 2026-10-29 19:02 (UTC-05:00).

AirlineUnited Airlines
Flight numberUA2747
RouteBUF to ORD
Scheduled duration2 hr 4 min

Buffalo to Chicago Route Information

UA2747 is a nonstop flight from Buffalo Niagara International Airport (BUF) to Chicago O'Hare International Airport (ORD). Use the information below to plan your journey.

Route distanceApprox. 761 km
Scheduled flight time2 hr 4 min
Time difference-60 min
Flight typenonstop
01

Departure

Scheduled departure: 2026-10-29 17:58 (UTC-04:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 19:02 (UTC-05:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Buffalo (UTC-04:00); arrival: Chicago (UTC-05:00).

UA2747 On-time Performance & History

Methodology

87%Arrival on-time rate
Sample flights87 (flights)
Average departure delay31 min
Average arrival early6 min
Cancllation rate1%
Longest delay-
Early arrivals70%

Historical statistics are for reference only and do not predict future flight performance.

Aircraft, Cabin & Services

Based on currently published aircraft and cabin information; the operating aircraft may change.

Published aircraft type

Airbus A319

Economy 31 in; Business 38 in

Seat layout118

Business 8 · Economy 110

Business Class2-2

38 in

Seat configuration depends on the operating aircraft

Economy Class3-3

31 in

MealsFree snacks on flights over 300 miles; food and alcohol for purchase in economy

Inflight entertainmentLive TV

Inflight Wi-FiWi-Fi is unavailable

Availability and fees depend on the flight

PowerBusiness: Power outlet; Economy: Power outlet

BassinetAvailable

Accessibility-

UA2747 Airports

Terminals follow the published schedule; check official airline channels for same-day gates and operations.

Buffalo Niagara International Airport Departure & Chicago O'Hare International Airport Arrival Guide

Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.

BUF

Departing from Buffalo Niagara International Airport

UA2747 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

ORD

Arriving at Chicago O'Hare International Airport

Scheduled arrival is at T1. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.

 

Planning your arrival

Scheduled arrival: 2026-10-29 19:02. Use the arrival date when booking hotels and pickup services.

Flight Changes, Cancellations & Missed Flights

If the schedule or aircraft changes, follow the booking channel and operating carrier rules.

01

Schedule changes

After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.

02

Cancellation and changes

Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.

03

Missed flight

If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.

Check-in, Baggage & Entry Tips

International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.

01

Arrive early for check-in

Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Buffalo Niagara International Airport guidance.

02

Check baggage allowance

Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.

03

Prepare entry documents

Before departure, check passport validity, visa or visa-free eligibility, andChicago O'Hare International Airport’ latest arrival declaration requirements.

What should I check before flying UA2747?

01

Check the departure date

For an overnight flight, check the departure date on your ticket and plan airport transport in advance.

02

Confirm the operating carrier

Follow the airline rules shown in your booking for check-in and checked baggage.

03

Check boarding information

Gates and operating times may change; follow airline notices and airport displays.

Popular route recommendations

UA2747 Frequently Asked Questions

Which airline operates this flight?

UA2747 is operated by United Airlines.

Where does it depart and arrive?

Buffalo Niagara International Airport (BUF) → Chicago O'Hare International Airport (ORD).

What are the departure and arrival times?

Scheduled departure 17:58, arrival 19:02 · 2 hours 4 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal T1. Check-in, gate and baggage belt are announced on the day.

Are meals and inflight entertainment available?

Meals: Free snacks on flights over 300 miles; food and alcohol for purchase in economy. Inflight entertainment: Live TV.

Explore This Route

Departure airportFlights from Buffalo Niagara International Airport
Arrival airportChicago O'Hare International Airport information
Operating airlineUnited Airlines information