United Airlines UA2123 Flight Status
According to Trip.com latest record on status for United Airlines flight UA2123 from Denver to San Francisco (DEN-SFO): Flights for Nov 3, 2026 are scheduled, with the next departure slated for 21:18 from DEN and an expected arrival at 22:29 at SFO .
Mon, Nov 2
Tue, Nov 3
Wed, Nov 4
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Arrived
The flight arrived 4m early.
2h 51m
Check-in Counter
7,8
Boarding Gate
A32
Arrival Gate
D14
Baggage
1
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Scheduled
Your flight will depart on time.
2h 51m
Check-in Counter
7,8
Boarding Gate
A14
Arrival Gate
E12
Baggage
9
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Scheduled
Your flight will depart on time.
2h 51m
Check-in Counter
7,8
Boarding Gate
--
Arrival Gate
--
Baggage
9
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Need a flight from Denver to San Francisco?
United Airlines From CAD 184
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UA2123 Aircraft Specifications
According to Trip.com real-time data, the UA2123 flight from Denver to San Francisco on 11/3/2026 is operated using the aircraft model Boeing 737-800. This aircraft has been in service for 28y, 5m. The aircraft has 166 seats.
Boeing 737-800
On-Time Departure
67
%
On-Time Arrival
97
%
Avg. Early
13 minutes
Aircraft Age
28y, 5m
Total Seats
166
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
76 cm
More legroom than on 11% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 48% of flights
120°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
More legroom than on 31% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
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UA2123 Flight History
Trip.com historical records show that the last UA2123 flight departed on Mon, Nov 2 from DEN at approximately 21:39. This flight is expected to arrrive in SFO at 23:05.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 29 | Nashville (BNA) | San Francisco (SFO) | 738 | 18:04 | 22:40 | Arrived |
| Fri, Oct 30 | Nashville (BNA) | San Francisco (SFO) | 739 | 17:37 | 22:46 | Arrived |
| Sat, Oct 31 | Denver (DEN) | San Francisco (SFO) | B39M | 21:20 | 22:51 | Arrived |
| Sun, Nov 1 | Denver (DEN) | San Francisco (SFO) | 738 | 22:32 | 23:46 | Arrived |
| Mon, Nov 2 | Denver (DEN) | San Francisco (SFO) | 738 | 21:39 | 23:05 | Arrived |
| Tue, Nov 3 | Denver (DEN) | San Francisco (SFO) | 738 | 21:18 | 22:29 | Scheduled |
| Wed, Nov 4 | Denver (DEN) | San Francisco (SFO) | 738 | 21:18 | 23:09 | Scheduled |
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UA2123 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA2123 is 67% (Late on average 23 minutes), and the on-time arrival rate is 97% (Early on average 13 minutes).
On-Time Departures
Punctuality
67
%
Late on average
23 minutes
Early
0
%
On time
67
%
30 mins late
27
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
13 minutes
Early
83
%
On time
13
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua2123?
Flight ua2123 has not departed yet and is currently on schedule. Scheduled departure 21:18, arrival 23:09 (updated Nov 3, 2026).Is flight ua2123 on time today?
Flight ua2123 has not departed yet and is currently on schedule. Scheduled departure is 21:18, with arrival at 23:09. Recheck gate and timing before you head to the airport.Has flight ua2123 departed yet? What is the departure time?
Flight ua2123 is scheduled to depart at 21:18. The latest actual or estimated departure time is 21:18, and the current status is Scheduled (updated Nov 3, 2026).When is flight ua2123 scheduled to arrive?
Flight ua2123 is scheduled to arrive at 23:09. The latest estimated or actual arrival time is 22:29. Status is Scheduled as of Nov 3, 2026.What is the baggage carousel number for flight ua2123?
After arrival, baggage for flight ua2123 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 ua2123 fly?
Flight ua2123 is operated by United Airlines from Denver (DEN) to San Francisco (SFO). Typical flight time is about 2 hours 51 minutes; operating days may include Tuesday.How can I check real-time status for flight ua2123?
Track flight ua2123 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 ua2123 is delayed or canceled, what should I do?
If ua2123 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 3, 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 ua2123 departed from Denver?
Flight ua2123 has not departed from Denver (DEN) yet and is currently on schedule for 21:18.What is the seat configuration for flight ua2123?
Flight ua2123 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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Time on arrival: Denver 00:09
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