UAL543

For travellers

Arrival · Chicago (ORD)

Terminal 2 · Gate E7

Scheduled 08:00 · Landed 07:51 · early

Board status: Active

Landed 07:51 (airport data)

Board data from ord, updated 24 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Buffalo Niagara International Airport (BUF) — Buffalo, United States

Departed

2026-10-02 11:09 UTC

Arrival

Chicago O'Hare International Airport (ORD) — Chicago, United States

Scheduled arrival

2026-10-02 13:00 UTC

Estimated arrival

2026-10-02 12:30 UTC

Also flies as

UA543

Codeshares

AC5295, NH7401, NZ2110

Distance flown

870 km

Straight-line distance

760 km

Aircraft

Registration

N451UA

Type

Airbus A320 233

Seats

150 total (96 Economy, 42 Economy Plus, 12 First)

CO2 (EMEP est., total)

18.4 t (160 kg/pax Business, 120 kg/pax Economy)

Altitude & speed

Max altitude

30,000 ft

Max ground speed

405 kt

Tracked

1h 34m · 867 km

Altitude (ft, max 30,000)

Ground speed (kt, max 405)

Altitude (ft, max 30,000)

Ground speed (kt, max 405)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 11:09 UTC	UAL543	BUF → ORD Buffalo → Chicago	N451UA	Airbus A320 233	Completed (landing confirmed by airport data)	870 km
2026-10-01 16:28 UTC	UAL543	ORD → SFO Chicago → San Francisco	N75436	Boeing 737-900	Completed	3009 km
2026-10-01 11:15 UTC	UAL543	BUF → ORD Buffalo → Chicago	N432UA	Airbus A320 233	Completed	825 km
2026-09-30 16:13 UTC	UAL543	ORD → SFO Chicago → San Francisco	N37462	Boeing 737-900	Completed	3030 km
2026-09-30 11:13 UTC	UAL543	BUF → ORD Buffalo → Chicago	N435UA	Airbus A320 233	Completed	805 km
2026-09-29 15:51 UTC	UAL543	ORD → SFO Chicago → San Francisco	N66893	Boeing 737-900	Completed	3028 km
2026-09-29 11:11 UTC	UAL543	BUF → ORD Buffalo → Chicago	N440UA	Airbus A320 233	Completed	840 km
2026-09-28 16:48 UTC	UAL543	ORD → SFO Chicago → San Francisco	N66848	Boeing 737-900	Completed	3043 km
2026-09-28 11:09 UTC	UAL543	BUF → ORD Buffalo → Chicago	N489UA	Airbus A320 233	Completed	823 km
2026-09-27 19:22 UTC	UAL543	ORD → SFO Chicago → San Francisco	N61886	Boeing 737-900	Completed	3015 km
2026-09-27 16:54 UTC	UAL543	MSN → ORD Madison → Chicago	N61886	Boeing 737-900	Completed	272 km
2026-09-27 11:13 UTC	UAL543	BUF → ORD Buffalo → Chicago	N467UA	Airbus A320 233	Completed	1040 km
2026-09-26 15:51 UTC	UAL543	ORD → SFO Chicago → San Francisco	N62892	Boeing 737-900	Completed	3033 km
2026-09-25 17:07 UTC	UAL543	ORD → SFO Chicago → San Francisco	N37437	Boeing 737-900	Completed	3197 km
2026-09-25 11:15 UTC	UAL543	BUF → ORD Buffalo → Chicago	N440UA	Airbus A320 233	Completed	911 km
2026-09-24 16:04 UTC	UAL543	ORD → SFO Chicago → San Francisco	N36472	Boeing 737-900	Completed	3050 km
2026-09-24 11:02 UTC	UAL543	BUF → ORD Buffalo → Chicago	N87513	Boeing 737-800	Completed	902 km
2026-09-23 15:52 UTC	UAL543	ORD → SFO Chicago → San Francisco	N47446	Boeing 737 MAX 9	Completed	3116 km
2026-09-23 11:05 UTC	UAL543	BUF → ORD Buffalo → Chicago	N33209	Boeing 737-800	Completed	887 km
2026-09-22 16:03 UTC	UAL543	ORD → SFO Chicago → San Francisco	N37447	Boeing 737 MAX 9	Completed	3022 km
2026-09-22 11:09 UTC	UAL543	BUF → ORD Buffalo → Chicago	N37527	Boeing 737 MAX 9	Completed	889 km
2026-09-21 17:29 UTC	UAL543	ORD → SFO Chicago → San Francisco	N27586	Boeing 737 MAX 9	Completed	3038 km
2026-09-21 11:31 UTC	UAL543	BUF → ORD Buffalo → Chicago	N77261	Boeing 737-800	Completed	888 km
2026-09-20 16:58 UTC	UAL543	ORD → SFO Chicago → San Francisco	N37538	Boeing 737 MAX 9	Completed	3137 km
2026-09-20 12:05 UTC	UAL543	BUF → ORD Buffalo → Chicago	N17233	Boeing 737-800	Completed	951 km
2026-09-19 18:44 UTC	UAL543	ORD → SFO Chicago → San Francisco	N17593	Boeing 737 MAX 9	Completed	3254 km
2026-09-19 13:15 UTC	UAL543	BUF → ORD Buffalo → Chicago	N76515	Boeing 737-800	Completed	914 km
2026-09-18 17:16 UTC	UAL543	ORD → SFO Chicago → San Francisco	N27568	Boeing 737 MAX 9	Completed	3472 km
2026-09-18 10:55 UTC	UAL543	BUF → ORD Buffalo → Chicago	N76523	Boeing 737-800	Completed	919 km
2026-09-17 18:33 UTC	UAL543	ORD → SFO Chicago → San Francisco	B737-M9	Boeing 737 MAX 9	Completed	3175 km
2026-09-17 12:43 UTC	UAL543	BUF → ORD Buffalo → Chicago	N37506	Boeing 737 MAX 9	Completed	862 km
2026-09-16 15:41 UTC	UAL543	ORD → SFO Chicago → San Francisco	N17444	Boeing 737 MAX 9	Completed	3473 km
2026-09-16 11:33 UTC	UAL543	BUF → ORD Buffalo → Chicago	N63899	Boeing 737-900	Completed	905 km
2026-09-15 16:47 UTC	UAL543	ORD → SFO Chicago → San Francisco	N77471	Boeing 737 MAX 9	Completed	3315 km
2026-09-15 12:17 UTC	UAL543	BUF → ORD Buffalo → Chicago	N27239	Boeing 737-800	Completed	959 km
2026-09-14 15:46 UTC	UAL543	ORD → SFO Chicago → San Francisco	N17597	Boeing 737 MAX 9	Completed	3224 km
2026-09-14 11:07 UTC	UAL543	BUF → ORD Buffalo → Chicago	N27239	Boeing 737-800	Completed	937 km
2026-09-13 15:41 UTC	UAL543	ORD → SFO Chicago → San Francisco	N27509	Boeing 737 MAX 9	Completed	3257 km
2026-09-13 11:19 UTC	UAL543	BUF → ORD Buffalo → Chicago	N87527	Boeing 737-800	Completed	847 km
2026-09-12 16:06 UTC	UAL543	ORD → SFO Chicago → San Francisco	N54558	Airbus A321 Neo	Completed	3196 km
2026-09-12 11:07 UTC	UAL543	BUF → ORD Buffalo → Chicago	N14237	Boeing 737-800	Completed	853 km
2026-09-11 16:56 UTC	UAL543	ORD → SFO Chicago → San Francisco	N27474	Boeing 737 MAX 9	Completed	3244 km
2026-09-11 10:54 UTC	UAL543	BUF → ORD Buffalo → Chicago	N77510	Boeing 737-800	Completed	943 km
2026-09-10 15:40 UTC	UAL543	ORD → SFO Chicago → San Francisco	N27526	Boeing 737 MAX 9	Completed	3273 km
2026-09-10 10:34 UTC	UAL543	BUF → ORD Buffalo → Chicago	N25201	Boeing 737-800	Completed	840 km
2026-09-09 16:09 UTC	UAL543	ORD → SFO Chicago → San Francisco	N37415	Boeing 737 MAX 9	Completed	3277 km
2026-09-09 11:17 UTC	UAL543	FLL → ORD Fort Lauderdale → Chicago	N37415	Boeing 737 MAX 9	Completed	2177 km
2026-09-09 11:04 UTC	UAL543	BUF → ORD Buffalo → Chicago	N17752	Boeing 737-700	Completed	847 km
2026-09-08 11:09 UTC	UAL543	BUF → ORD Buffalo → Chicago	N35271	Boeing 737-800	Completed	903 km
2026-09-07 15:54 UTC	UAL543	ORD → SFO Chicago → San Francisco	N57870	Boeing 737-300	Completed	3354 km