| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | BUF | ORD | 17:56 | 18:25 |
Landed
|
Track > |
| Dec 16 | BUF | ORD | 17:59 | 18:26 |
Landed
|
Track > |
| Dec 15 | BUF | ORD | 18:11 | 18:32 |
Landed
|
Track > |
| Dec 14 | BUF | ORD | 18:57 | 19:14 |
Landed Late
|
Track > |
| Dec 13 | BUF | ORD | 18:17 | 18:43 |
Landed
|
Track > |
| Dec 12 | BUF | ORD | 17:40 | 18:01 |
Landed
|
Track > |
| Dec 11 | BUF | ORD | 17:49 | 18:10 |
Landed
|
Track > |
| Dec 10 | BUF | ORD | 18:58 | 19:20 |
Landed Late
|
Track > |
| Dec 09 | BUF | ORD | 18:05 | 18:34 |
Landed
|
Track > |
| Dec 08 | BUF | ORD | 18:26 | 18:44 |
Landed
|
Track > |
United Airlines Flight UA4731 connects Buffalo, United States to Chicago, United States, taking off from Buffalo Niagara International Airport BUF and landing at Chicago O'Hare International Airport ORD.
How long is the UA4731 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 23 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 550 km/h / 342 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4731 Buffalo to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4731 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4731 arriving at?
Flight UA4731 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4731 flight?
The latest flight took off on Thursday, December 18th, 2025 with the flight status being Landed on 18:25.
How else can the flight UA4731 be referenced as?
This United Airlines flight can also be referenced as UAL4731, UA 4731, UAL 4731.
How often is flight UA4731 delayed?
On average, 20% of all UA4731 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled UA4731 flight or baggage issues?
If your UA4731 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA4731 Flight Tracker above for more details.
Flight UA4731 is code-shared by 2 airlines using the flight numbers AC5352, NZ2114
Other flights departing from Buffalo BUF: DL4818, AA3860, DL4149, DL5654
Other flights arriving at Chicago ORD: AA3277, UA4614, AA6232, UA4537
All flights connecting Buffalo BUF to Chicago ORD.