| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 26 | ORD | BUF | 08:04 | 10:12 |
Landed
|
Track > |
| Apr 25 | ORD | BUF | 07:57 | 10:02 |
Landed
|
Track > |
| Apr 19 | ORD | BUF | 07:45 | 09:52 |
Unknown
|
Track > |
| Apr 18 | ORD | BUF | 07:41 | 09:52 |
Landed
|
Track > |
| Apr 12 | ORD | BUF | 07:51 | 09:58 |
Landed
|
Track > |
| Apr 11 | ORD | BUF | 07:43 | 09:50 |
Unknown
|
Track > |
| Apr 04 | ORD | BUF | 07:38 | 09:43 |
Landed
|
Track > |
United Airlines Flight UA5859 connects Chicago, United States to Buffalo, United States, taking off from Chicago O'Hare International Airport ORD and landing at Buffalo Niagara International Airport BUF.
How long is the UA5859 flight from Chicago to Buffalo?
The average flight time from Chicago to Buffalo is 1 hour and 7 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 679 km/h / 422 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5859 Chicago to Buffalo?
The Airportia On-Time Performance Rating for United Airlines Flight UA5859 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA5859 flight?
The latest flight took off on Sunday, April 26th, 2026 with the flight status being Landed on 10:12.
How else can the flight UA5859 be referenced as?
This United Airlines flight can also be referenced as UAL5859, UA 5859, UAL 5859.
How often is flight UA5859 delayed?
On average, 14% of all UA5859 flights are delayed. The average delay is 7 minutes.
Can I get compensation for my delayed or cancelled UA5859 flight or baggage issues?
If your UA5859 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 UA5859 Flight Tracker above for more details.
Flight UA5859 is code-shared by 3 airlines using the flight numbers AC5214, AV2278, NZ2111
Other flights departing from Chicago ORD: UA348, UA1341, UA2288, UA5726
Other flights arriving at Buffalo BUF: UA4387, UA4236, WN2072, DL2139
All flights connecting Chicago ORD to Buffalo BUF.