United Airlines UA543 Flight Status
According to Trip.com real-time data, the UA543 flight operated by United Airlines on Oct 23, 2026 is scheduled to fly from Buffalo (BUF) to San Francisco (SFO). The flight is expected to depart at 7:00 AM (local time in Buffalo, UTC-4) and land at 1:33 PM (local time in San Francisco, UTC-7) .
Thu, Oct 22
Fri, Oct 23
Sat, Oct 24
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En route
Your flight has departed Buffalo and is expected to arrive in San Francisco at 2:32 PM.
9h 33m
ORD
4h 4m
Check-in Counter
--
Boarding Gate
10
Arrival Gate
E8
Baggage
E9
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Scheduled
Your flight will depart on time.
9h 33m
ORD
3h 20m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
F13
Baggage
9
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Scheduled
Your flight will depart on time.
9h 33m
ORD
2h 39m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
9
Need a flight from Buffalo to San Francisco?
United Airlines From HK$1,358
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Buffalo to San Francisco or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA1335
|
Chicago (CHI)
Buffalo (BUF)
Buffalo (BUF)
Scheduled: 8:47 PM
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UA543 Aircraft Details
According to Trip.com real-time data, the UA543 flight flying from Buffalo to San Francisco on 10/23/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 12y, 10m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
93
%
Punctuality (Arrival)
90
%
Early on average
2 minutes
Age
12y, 10m
Seats
179
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 100% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
Legroom
43 cm
Seat width
105°
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 Thu, Oct 22 from BUF at approximately 7:15 AM. This flight is expected to arrrive in SFO at 2:32 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | Buffalo (BUF) | San Francisco (SFO) | 320 | 7:07 AM | 1:00 PM | Arrived |
| Mon, Oct 19 | Buffalo (BUF) | San Francisco (SFO) | 739 | 7:07 AM | 4:57 PM | Arrived |
| Tue, Oct 20 | Buffalo (BUF) | San Francisco (SFO) | 320 | 7:08 AM | 1:24 PM | Arrived |
| Wed, Oct 21 | Buffalo (BUF) | San Francisco (SFO) | 739 | 7:07 AM | 1:16 PM | Arrived |
| Thu, Oct 22 | Buffalo (BUF) | San Francisco (SFO) | 320 | 7:15 AM | 2:32 PM | En route |
| Fri, Oct 23 | Buffalo (BUF) | San Francisco (SFO) | 739 | 7:00 AM | 1:33 PM | Scheduled |
| Sat, Oct 24 | Buffalo (BUF) | San Francisco (SFO) | 320 | 7:00 AM | 1:33 PM | 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 93% (Late on average 13 minutes), and the on-time arrival rate is 90% (Early on average 2 minutes).
On-Time Departures
Punctuality
93
%
Late on average
13 minutes
Early
0
%
On time
93
%
30 mins late
3
%
60 mins late
3
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
90
%
Early on average
2 minutes
Early
80
%
On time
10
%
30 mins late
3
%
60 mins late
0
%
90 mins late
7
%
Canceled
0
%
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Frequently Asked Questions
What is the current status of flight ua543?
Flight ua543 has not departed yet and is currently on schedule. Scheduled departure 7:00 AM, arrival 1:33 PM (updated Oct 23, 2026).Is flight ua543 on time today?
Flight ua543 has not departed yet and is currently on schedule. Scheduled departure is 7:00 AM, with arrival at 1:33 PM. Recheck gate and timing before you head to the airport.Has flight ua543 departed yet? What is the departure time?
Flight ua543 is scheduled to depart at 7:00 AM. The latest actual or estimated departure time is 7:00 AM, and the current status is Scheduled (updated Oct 23, 2026).When is flight ua543 scheduled to arrive?
Flight ua543 is scheduled to arrive at 1:33 PM. The latest estimated or actual arrival time is 1:33 PM. Status is Scheduled as of Oct 23, 2026.What is the baggage carousel number for flight ua543?
After arrival, baggage for flight ua543 is expected at carousel 9 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 San Francisco (SFO). Typical flight time is about 9 hours33 minutes; operating days may include Friday.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 (Scheduled, updated Oct 23, 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 not departed from Buffalo (BUF) yet and is currently on schedule for 7:00 AM.What is the seat configuration for flight ua543?
Flight ua543 usually flies a Boeing 737-900 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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Arrival Info: San Francisco Weather & Current Time
Partly clear with showers
|
13°C - 17°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: Buffalo 16:33
|
San Francisco 13:33
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