Live tracking not available yet
UA543 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
BUF
Buffalo Niagara International Airport
Buffalo
Gate 12 Scheduled 7:00 AM
Actual 7:06 AM
ORD
Chicago O'Hare International Airport
Chicago
T1 Gate B22 Scheduled 8:00 AM
Actual 7:40 AM
Baggage claim 14
2h 0m flight time
Daily
Recent Flights
Last 7 observedMar 18
Wed
ORD
SFO
Dep 11:00:00
(actual 11:48:00)
32Q
Boarding
Mar 14
Sat
ORD
SFO
Dep 11:00:00
(actual 11:33:00)
7M9
Boarding
Mar 13
Fri
BUF
ORD
Dep 07:00:00
(actual 08:00:00)
319
Boarding
Mar 11
Wed
ORD
SFO
Dep 11:19:00
(actual 11:25:00)
7M9
Boarding
Mar 09
Mon
ORD
SFO
Dep 11:19:00
(actual 11:20:00)
7M9
Boarding
Mar 08
Sun
ORD
SFO
Dep 11:19:00
(actual 11:29:00)
7M9
Boarding
Mar 07
Sat
ORD
SFO
Dep 11:19:00
(actual 11:52:00)
7M9
Boarding
Schedule
Operates
Daily
Departure
7:00 AM
Arrival
8:00 AM
Duration
2h 0m
Aircraft
Airbus A319
Gate
12
B22
Actual
07:06
07:40
Baggage
Carousel 14
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 17 —
Jun 16, 2026