| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 30 | BUF | ORD | 13:54 | 14:55 |
Scheduled
|
Track > |
| Jul 29 | BUF | ORD | 14:54 | 15:09 |
Landed
|
Track > |
| Jul 28 | BUF | ORD | 15:27 | 15:43 |
Delayed
|
Track > |
| Jul 27 | BUF | ORD | 16:34 | 14:55 |
Unknown
|
Track > |
| Jul 26 | BUF | ORD | 14:49 | 15:03 |
Landed
|
Track > |
| Jul 25 | BUF | ORD | 14:01 | 14:16 |
Landed
|
Track > |
| Jul 24 | BUF | ORD | 14:05 | 14:18 |
Landed
|
Track > |
| Jul 23 | BUF | ORD | 13:59 | 14:17 |
Landed
|
Track > |
| Jul 22 | BUF | ORD | 13:54 | 14:24 |
Landed
|
Track > |
| Jul 21 | BUF | ORD | 14:03 | 14:18 |
Landed
|
Track > |
United Airlines Flight UA4381 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 UA4381 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 17 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 551 km/h / 342 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4381 Buffalo to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4381 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4381 arriving at?
Flight UA4381 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4381 flight?
The latest flight took off on Thursday, July 30th, 2026 with the flight status being Scheduled on 14:55.
How else can the flight UA4381 be referenced as?
This United Airlines flight can also be referenced as UAL4381, UA 4381, UAL 4381.
How often is flight UA4381 delayed?
On average, 30% of all UA4381 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled UA4381 flight or baggage issues?
If your UA4381 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 UA4381 Flight Tracker above for more details.
Flight UA4381 is code-shared by 5 airlines using the flight numbers AC3235, AV2279, LX3161, NH7075, NZ2116
Other flights departing from Buffalo BUF: AA1616, AA1842, DL5362, OH5104
Other flights arriving at Chicago ORD: UA4571, UA5309, UA5714, UA4752
All flights connecting Buffalo BUF to Chicago ORD.
