| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 01 | BUF | ORD | 07:32 | 07:53 |
Landed
|
Track > |
| Nov 30 | BUF | ORD | 09:06 | 09:25 |
Delayed
|
Track > |
| Nov 29 | BUF | ORD | 07:12 | 07:43 |
Landed
|
Track > |
| Nov 27 | BUF | ORD | 10:43 | 08:05 |
En-Route
|
Track > |
| Nov 26 | BUF | ORD | 07:10 | 07:43 |
Landed
|
Track > |
| Nov 25 | BUF | ORD | 07:08 | 07:37 |
Landed
|
Track > |
| Nov 23 | BUF | ORD | 07:07 | 07:38 |
Landed
|
Track > |
| Nov 22 | BUF | ORD | 07:12 | 07:33 |
Landed
|
Track > |
| Nov 21 | BUF | ORD | 07:01 | 07:28 |
Landed
|
Track > |
| Nov 20 | BUF | ORD | 07:19 | 07:44 |
Landed
|
Track > |
United Airlines Flight UA3431 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 UA3431 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 26 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 513 km/h / 319 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3431 Buffalo to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA3431 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3431 arriving at?
Flight UA3431 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA3431 flight?
The latest flight took off on Monday, December 1st, 2025 with the flight status being Landed on 07:53.
How else can the flight UA3431 be referenced as?
This United Airlines flight can also be referenced as UAL3431, UA 3431, UAL 3431.
How often is flight UA3431 delayed?
On average, 10% of all UA3431 flights are delayed. The average delay is 80 minutes.
Can I get compensation for my delayed or cancelled UA3431 flight or baggage issues?
If your UA3431 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 UA3431 Flight Tracker above for more details.
Flight UA3431 is code-shared by 3 airlines using the flight numbers AC5295, NH7401, NZ2110
Other flights departing from Buffalo BUF: UA2622, UA4737, UA4020, UA5322
Other flights arriving at Chicago ORD: UA5253, AA4956, AA4441, OO5253
All flights connecting Buffalo BUF to Chicago ORD.
