| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 26 | ORD | BUF | 21:16 | 23:18 |
Delayed
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Track > |
| Jul 19 | ORD | BUF | 20:23 | 22:27 |
Landed
|
Track > |
| Jul 12 | ORD | BUF | 20:24 | 22:33 |
Landed
|
Track > |
| Jul 05 | ORD | BUF | 20:25 | 22:34 |
Landed
|
Track > |
United Airlines Flight UA1789 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 UA1789 flight from Chicago to Buffalo?
The average flight time from Chicago to Buffalo is 1 hour and 6 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 692 km/h / 430 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1789 Chicago to Buffalo?
The Airportia On-Time Performance Rating for United Airlines Flight UA1789 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1789 arriving at?
Flight UA1789 arrives at Buffalo Niagara International Airport (BUF) Terminal S.
When was the latest UA1789 flight?
The latest flight took off on Sunday, July 27th, 2025 with the flight status being En-Route on 23:18.
How else can the flight UA1789 be referenced as?
This United Airlines flight can also be referenced as UAL1789, UA 1789, UAL 1789.
How often is flight UA1789 delayed?
On average, 75% of all UA1789 flights are delayed. The average delay is 20 minutes.
Can I get compensation for my delayed or cancelled UA1789 flight or baggage issues?
If your UA1789 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 UA1789 Flight Tracker above for more details.
Flight UA1789 is code-shared by 5 airlines using the flight numbers AC3014, AV2278, EK6226, NH7400, NZ2115
Other flights departing from Chicago ORD: UA1032, UA3604, UA658, NK2318
Other flights arriving at Buffalo BUF: WN255, UA1593, WN4700, AA5119
All flights connecting Chicago ORD to Buffalo BUF.
