UA323 Flight Status United Airlines: Buffalo to Chicago (UAL323)
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UA 323 Buffalo to Chicago Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 7th, 2026 ; recent history is in the table below.
UA 323 Flight Status & Schedule United Airlines Buffalo to Chicago
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| 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 | Track > |
| 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 operates UA 323 from Buffalo to Chicago, a 760 km (472 mi) trip. The timetable allows 1 h 59 min, but the flight usually takes about 1 h 20 min, so it often makes up time. It is not flying today; the last flight, on 7 September 2026, landed on time.
About UA 323
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.
- Distance
- 760 km (472 mi)
- Typical flight time
- 1 h 20 min
- On time
- 9 of the last 9
- Usually departs from
- Gate 12
UA 323 FAQ
- How long is the UA323 flight from Buffalo to Chicago?
- The timetable allows 1 h 59 min. Buffalo to Chicago is 760 km (472 mi).
- How often is UA323 from Buffalo to Chicago late?
- None of the last 9 flights arrived 15 or more minutes late.
- When was the latest UA323 flight from Buffalo to Chicago?
- The latest UA323 was the 10:30 (local time) departure from Buffalo on 7 September 2026; it landed 33 minutes early.
- Which terminal does UA323 use?
- It usually leaves from gate 12 at Buffalo Niagara International Airport (BUF). Check the flight card above for today's terminal and gate.
- What other flight numbers does UA323 have?
- Also listed as UAL323 (United Airlines' ICAO code) and UA 323.
UA323 and Buffalo BUF to Chicago ORD Flights
Flight UA323 is code-shared by 4 airlines using the flight numbers AC5215, CM1080, LX3163, NZ2112
Other flights departing from Buffalo BUF: B62116, YX4480, WN280
Other flights arriving at Chicago ORD: AA209, UA1881, OO5111
All flights connecting Buffalo BUF to Chicago ORD.