United Airlines UA543 Flight Status Today

Domestic flight United Airlines UA543 takes off from Buffalo (BUF) United States to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves Buffalo Niagara International Airport at 11:00 20 March 2026 America/New_York. The flight is expected to land at O'Hare International Airport at 14:03 20 March 2026 America/Chicago. The flight will last about 5 hours 3 minutes.

Current status of UA543 is Departed On time Estimated Arrival in 2 hours, 17 minutes

UA543 - UAL543 United Airlines (UA)
BUF Buffalo United States
Flight BUF to ORD
ORD Chicago United States
Departed On time Estimated Arrival in 2 hours, 17 minutes
Departure Buffalo Niagara International Airport
IATA: BUFICAO: KBUF
Scheduled 11:00 20 March 2026
Actual 10:54 20 March 2026
1 C25
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 14:03 20 March 2026
Estimated 13:24 20 March 2026
3 E4
UA543 Detail
  • Type: Domestic Flight
  • Code Shares: AC 3212, EK 6303, NZ 9320, VA 8087
  • Flight Duration: 5 hours 3 minutes
  • Flight Distance: 762 kms / 473 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 167
  • Freight capacity: 17.1 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737MAX 9 Passenger
  • Callsign: F-KVDF2
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Chicago
  • Current Time in Buffalo: Friday 2026-03-20 12:07 PM
  • Current Time in Chicago: Friday 2026-03-20 11:07 AM

United Airlines UA543 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA543
AIRPLANE Boeing 737MAX 9 Passenger
ON TIME 11
DELAYED 3
CANCELLED 0
ON TIME 25
DELAYED 5
CANCELLED 0
ON TIME 45
DELAYED 15
CANCELLED 0
ON TIME 61
DELAYED 23
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA543 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 18 Mar
Departed On time
Buffalo (BUF) 2026-03-18T07:00
Chicago (ORD) 2026-03-18T08:00
2026-03-18T06:48
Tue 17 Mar
Scheduled On time
Buffalo (BUF) 2026-03-17T11:00
Chicago (ORD) 2026-03-17T14:03
Thu 05 Mar
Departed On time
Buffalo (BUF) 2026-03-05T11:00
Chicago (ORD) 2026-03-05T14:03
2026-03-05T11:09
Fri 27 Feb
Arrived On time
Buffalo (BUF) 2026-02-27T07:00
Chicago (ORD) 2026-02-27T08:00
2026-02-27T06:57
2026-02-27T08:08
Tue 24 Feb
Scheduled On time
Buffalo (BUF) 2026-02-24T07:00
Chicago (ORD) 2026-02-24T08:00
Sun 22 Feb
Scheduled On time
Buffalo (BUF) 2026-02-22T07:00
Chicago (ORD) 2026-02-22T08:00
Sat 21 Feb
Arrived On time
Buffalo (BUF) 2026-02-21T07:00
Chicago (ORD) 2026-02-21T08:00
2026-02-21T06:55
2026-02-21T08:02
Wed 18 Feb
Arrived Delayed by 2h 9m
Buffalo (BUF) 2026-02-18T07:00
Chicago (ORD) 2026-02-18T08:00
2026-02-18T09:26
2026-02-18T10:09
Tue 17 Feb
Arrived On time
Buffalo (BUF) 2026-02-17T07:00
Chicago (ORD) 2026-02-17T08:00
2026-02-17T07:02
2026-02-17T08:06
Sun 15 Feb
Arrived On time
Buffalo (BUF) 2026-02-15T07:00
Chicago (ORD) 2026-02-15T08:00
2026-02-15T07:18
2026-02-15T08:12

Flight routes similar to United Airlines UA543

Airline Flight no Departure Arrival
Air New Zealand NZ2116
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13:52 		2 hours 8 minutes
15:00
Japan Airlines JL7319
Japan Airlines 		20/03/2026
06:06 		3 hours 10 minutes
07:20
SkyWest Airlines OO4661
SkyWest Airlines 		20/03/2026
13:52 		2 hours 8 minutes
15:00
Qatar Airways QR2941
Qatar Airways 		20/03/2026
11:15 		1 hours 51 minutes
12:16
ANA NH7075
ANA 		20/03/2026
13:52 		2 hours 8 minutes
15:00
American Airlines AA4349
American Airlines 		20/03/2026
17:59 		1 hours 58 minutes
19:11
Air Canada AC5352
Air Canada 		20/03/2026
17:29 		1 hours 55 minutes
18:40
Royal Jordanian RJ7694
Royal Jordanian 		20/03/2026
12:31 		2 hours 12 minutes
13:43

United Airlines Flight UA543 FAQs

What is the scheduled flight duration for United Airlines UA543 flight?

On average, nonstop flight takes 5 hour(s) 3 minutes, with the flight distance of 762 km (473 miles).

What is the current status of United Airlines UA543 flight?

The current status of flight United Airlines UA543 is Departed On time.

What type of aircraft is used for the United Airlines UA543 flight?

All United Airlines UA543 flights are operated using Boeing 737MAX 9 Passenger aircraft.

When does the flight United Airlines UA543 arrive?

Flight United Airlines UA543 arrives at 14:03.

Which terminal the flight United Airlines UA543 is arriving at?

Flight United Airlines UA543 arrives in O'Hare International Airport at Terminal 3.

How many United Airlines UA543 flights are operated a week?

7 flights per week. The Flight United Airlines UA543 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .