United Airlines UA543 Flight Status
Based on Trip.com real-time data, flight UA543 operated by United Airlines from Buffalo (BUF) to Las Vegas (LAS) on Nov 11, 2026 has departed at 06:31 (Local time in Buffalo, UTC-5) and is expected to arrive at 16:03 (Local time in Las Vegas, UTC-8) at Harry Reid International Airport (LAS).
Tue, Nov 10
Wed, Nov 11
Thu, Nov 12
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Arrived
The flight has arrived 4m early
12h 33m
ORD
3h 27m
SFO
1h 24m
Check-in Counter
--
Boarding Gate
10
Arrival Gate
D55
Baggage
19
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United Airlines From JPY 34,790
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En route
Your flight has departed Buffalo and is expected to arrive in Las Vegas at 16:03.
12h 33m
ORD
3h 36m
SFO
1h 59m
Check-in Counter
--
Boarding Gate
10
Arrival Gate
D51
Baggage
19
Need a flight from Buffalo to Las Vegas?
United Airlines From JPY 34,790
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Scheduled
Your flight will depart on time.
12h 33m
ORD
2h 52m
SFO
50m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
D55
Baggage
19
Need a flight from Buffalo to Las Vegas?
United Airlines From JPY 34,790
Search flights Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Buffalo to Las Vegas or track other flights with our flight status tracker.
Track the Previous Flight Status: Landed at Buffalo
UA1335
|
Cincinnati (CVG)
Buffalo (BUF)
Buffalo (BUF)
Scheduled: 20:36
|
22m early
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UA543 Aircraft Details
According to Trip.com real-time data, the UA543 flight flying from Buffalo to Las Vegas on 11/11/2026 is operated by the aircraft model Boeing 737-800. This aircraft has been in service for 16y, 4m. The aircraft is equipped with 166 seats.
Boeing 737-800
Punctuality (Departure)
88
%
Punctuality (Arrival)
81
%
Late on average
5 minutes
Age
16y, 4m
Seats
166
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
Live TV
Wi-Fi is available
No power outlets are available
Seating Plan
76 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Snacks
Live TV
Wi-Fi is available
Power outlet
Seating Plan
94 cm
Legroom
52 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seating Plan
86 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
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Flight History for UA543
Trip.com historical records show that the last UA543 flight departed on Tue, Nov 10 from BUF at approximately 06:39. This flight is expected to arrrive in LAS at 15:59.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Nov 7 | Buffalo (BUF) | Las Vegas (LAS) | 739 | 06:13 | 15:47 | Arrived |
| Sun, Nov 8 | Buffalo (BUF) | Las Vegas (LAS) | 739 | 09:49 | 15:44 | Arrived |
| Mon, Nov 9 | Buffalo (BUF) | Las Vegas (LAS) | B39M | 06:32 | 16:05 | Arrived |
| Tue, Nov 10 | Buffalo (BUF) | Las Vegas (LAS) | 739 | 06:39 | 15:59 | Arrived |
| Wed, Nov 11 | Buffalo (BUF) | Las Vegas (LAS) | 738 | 06:31 | 16:03 | En route |
| Thu, Nov 12 | Buffalo (BUF) | Las Vegas (LAS) | 739 | 06:30 | 16:03 | Scheduled |
| Fri, Nov 13 | Buffalo (BUF) | Las Vegas (LAS) | 737 | 06:30 | 16:03 | Scheduled |
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UA543 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA543 is 88% (Late on average 20 minutes), and the on-time arrival rate is 81% (Late on average 5 minutes).
On-Time Departures
Punctuality
88
%
Late on average
20 minutes
Early
6
%
On time
81
%
30 mins late
6
%
60 mins late
0
%
90 mins late
6
%
Cancelled
0
%
On-Time Arrivals
Punctuality
81
%
Late on average
5 minutes
Early
56
%
On time
25
%
30 mins late
6
%
60 mins late
6
%
90 mins late
6
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight ua543?
Flight ua543 has departed (status: En route). Departure 06:31, estimated arrival 16:03 (updated Nov 11, 2026).Is flight ua543 on time today?
Flight ua543 has already departed (status: En route). It took off at 06:31 and is estimated to arrive at 16:03.Has flight ua543 departed yet? What is the departure time?
Flight ua543 is scheduled to depart at 06:30. The latest actual or estimated departure time is 06:31, and the current status is En route (updated Nov 11, 2026).When is flight ua543 scheduled to arrive?
Flight ua543 is scheduled to arrive at 16:03. The latest estimated or actual arrival time is 16:03. Status is En route as of Nov 11, 2026.What is the baggage carousel number for flight ua543?
After arrival, baggage for flight ua543 is expected at carousel 19 in terminal T3. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua543 fly?
Flight ua543 is operated by United Airlines from Buffalo (BUF) to Las Vegas (LAS). Typical flight time is about 12 hours33 minutes; operating days may include Wednesday.How can I check real-time status for flight ua543?
Track flight ua543 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua543 is delayed or canceled, what should I do?
If ua543 is delayed or canceled, first confirm the latest status here (En route, updated Nov 11, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua543 departed from Buffalo?
Flight ua543 has departed from Buffalo (BUF) at 06:31 (status: En route).What is the seat configuration for flight ua543?
Flight ua543 usually flies a Boeing 737-800 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Destination Info: Las Vegas Weather & Time
Clear
|
11°C - 23°C
Expected weather conditions upon arrival
-3 hour time difference
Time on arrival: Buffalo 19:03
|
Las Vegas 16:03
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