United Airlines UA2123 Flight Status
According to Trip.com latest record on status for United Airlines flight UA2123 from Kansas City to San Francisco (MCI-SFO): Flights for Mar 12, 2026 are scheduled, with the next departure slated for 17:21 from MCI and an expected arrival at 22:47 at SFO .
Wed, Mar 11
Thu, Mar 12
Fri, Mar 13
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Arrived
The flight arrived 24m early.
7h 26m
DEN
2h 25m
Check-in Counter
--
Boarding Gate
B45
Arrival Gate
E7
Baggage
E9
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Scheduled
Your flight will depart on time.
7h 26m
DEN
3h 4m
Check-in Counter
--
Boarding Gate
B45
Arrival Gate
F21
Baggage
9
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Scheduled
Your flight will depart on time.
7h 26m
DEN
2h 26m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Flight status powered by VariFlight.VariFlight. For real-time updates, follow airport displays or contact your airline directly.
Track the Previous Flight Status: Scheduled
UA586
|
Denver (DEN) 
Kansas City (MKC)
Kansas City (MKC)Scheduled: 16:19
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UA2123 Aircraft Specifications
Boeing 737-800
On-Time Departure
43%
On-Time Arrival
90%
Avg. Early
16 minutes
Aircraft Age
26y, 10m
Total Seats
166
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
None
Live TV
Wi-Fi is available
No power outlets are available
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Cabin Amenities
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 80% of flights
120°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
Legroom
--
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 Wed, Mar 11 from MCI at approximately 18:00. This flight is expected to arrrive in SFO at 22:23.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Mar 7 | Kansas City (MCI) | San Francisco (SFO) | 738 | 18:08 | 22:32 | Arrived |
| Sun, Mar 8 | Kansas City (MCI) | San Francisco (SFO) | 738 | 17:52 | 22:44 | Arrived |
| Mon, Mar 9 | Kansas City (MCI) | San Francisco (SFO) | 752 | 17:42 | 22:30 | Arrived |
| Tue, Mar 10 | Kansas City (MCI) | San Francisco (SFO) | 752 | 17:34 | 22:21 | Arrived |
| Wed, Mar 11 | Kansas City (MCI) | San Francisco (SFO) | 738 | 18:00 | 22:23 | Arrived |
| Thu, Mar 12 | Kansas City (MCI) | San Francisco (SFO) | 738 | 17:21 | 22:47 | Scheduled |
| Fri, Mar 13 | Kansas City (MCI) | San Francisco (SFO) | 738 | 17:21 | 22:47 | 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 43% (Late on average 42 minutes), and the on-time arrival rate is 90% (Early on average 16 minutes).
On-Time Departures
Punctuality
43%
Late on average 42 minutes
Early
0%
On time
43%
30 mins late
37%
60 mins late
13%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
90%
Early on average 16 minutes
Early
90%
On time
0%
30 mins late
7%
60 mins late
0%
90 mins late
3%
Cancelled
0%
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When You Land: San Francisco Weather & Time Zone
Clear
|
10°C - 23°C
Weather forecast for your arrival day
-2 hour time difference
Time on arrival: Kansas City 00:47| San Francisco 22:47
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