| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | BUF | ORD | 10:34 | 10:56 |
Landed
|
Track > |
| Sep 06 | BUF | ORD | 10:40 | 10:59 |
Landed
|
Track > |
| Sep 05 | BUF | ORD | 10:27 | 10:49 |
Landed
|
Track > |
| Sep 04 | BUF | ORD | 12:06 | 12:27 |
Delayed
|
Track > |
| Sep 03 | BUF | ORD | 10:53 | 11:13 |
Landed
|
Track > |
| Sep 02 | BUF | ORD | 10:28 | 10:43 |
Landed
|
Track > |
| Sep 01 | BUF | ORD | 10:42 | 11:00 |
Landed
|
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| Aug 31 | BUF | ORD | 10:54 | 11:13 |
Landed
|
Track > |
| Aug 30 | BUF | ORD | 11:02 | 11:19 |
Landed
|
Track > |
| Aug 29 | BUF | ORD | 10:46 | 11:01 |
Landed
|
Track > |
United Airlines Flight UA323 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 UA323 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 18 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 579 km/h / 360 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA323 Buffalo to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA323 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA323 arriving at?
Flight UA323 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA323 flight?
The latest flight took off on Monday, September 7th, 2026 with the flight status being Landed on 10:56.
How else can the flight UA323 be referenced as?
This United Airlines flight can also be referenced as UAL323, UA0323, UA 323, UAL 323.
How often is flight UA323 delayed?
On average, 10% of all UA323 flights are delayed. The average delay is 58 minutes.
Can I get compensation for my delayed or cancelled UA323 flight or baggage issues?
If your UA323 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 UA323 Flight Tracker above for more details.
Flight UA323 is code-shared by 4 airlines using the flight numbers AC5215, CM1080, LX3163, NZ2112
Other flights departing from Buffalo BUF: YX4480, G74192, OO3636, WN280
Other flights arriving at Chicago ORD: AA209, UA1881, OO5111, OO5288
All flights connecting Buffalo BUF to Chicago ORD.