United Airlines UA2123 Flight Status
According to Trip.com real-time data, the UA2123 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from Kansas City (MCI) to San Francisco (SFO). The flight is expected to depart at 5:13 PM (local time in Kansas City, UTC-5) and land at 10:55 PM (local time in San Francisco, UTC-7) .
Sat, Sep 19
Sun, Sep 20
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Scheduled
Your flight will depart on time.
7h 42m
DEN
3h 33m
Check-in Counter
--
Boarding Gate
B45
Arrival Gate
F16
Baggage
E9
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Scheduled
Your flight will depart on time.
7h 42m
DEN
3h 33m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
9
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Kansas City to San Francisco or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA586
|
Denver (DEN) 
Kansas City (MKC)
Kansas City (MKC)Scheduled: 4:11 PM
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UA2123 Aircraft Details
According to Trip.com real-time data, the UA2123 flight flying from Kansas City to San Francisco on 9/20/2026 is operated by the aircraft model Boeing 737 MAX 8. This aircraft has been in service for 11m. The aircraft is equipped with 200 seats.
Boeing 737 MAX 8
Punctuality (Departure)
60%
Punctuality (Arrival)
87%
Late on average
3 minutes
Age
11m
Seats
200
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
76 cm
Legroom
47 cm
Seat width better than on 100% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 50% of flights
120°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
84 cm
Legroom
47 cm
Seat width better than on 100% of flights
110°
Reclining Angle
--
Seat layout example
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Flight History for UA2123
Trip.com historical records show that the last UA2123 flight departed on Sat, Sep 19 from MCI at approximately 5:13 PM. This flight is expected to arrrive in SFO at 10:55 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Kansas City (MCI) | San Francisco (SFO) | A21N | 5:21 PM | 10:46 PM | Arrived |
| Wed, Sep 16 | Kansas City (MCI) | San Francisco (SFO) | 738 | 5:31 PM | 11:44 PM | Arrived |
| Thu, Sep 17 | Kansas City (MCI) | San Francisco (SFO) | A21N | 5:53 PM | 11:10 PM | Arrived |
| Fri, Sep 18 | Kansas City (MCI) | San Francisco (SFO) | 738 | 7:47 PM | 11:00 PM | Arrived |
| Sat, Sep 19 | Kansas City (MCI) | San Francisco (SFO) | A21N | 5:13 PM | 10:55 PM | Scheduled |
| Sun, Sep 20 | Kansas City (MCI) | San Francisco (SFO) | B38M | 5:13 PM | 10:55 PM | Scheduled |
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UA2123 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA2123 is 60% (Late on average 52 minutes), and the on-time arrival rate is 87% (Late on average 3 minutes).
On-Time Departures
Punctuality
60%
Late on average 52 minutes
Early
0%
On time
60%
30 mins late
20%
60 mins late
3%
90 mins late
17%
Canceled
0%
On-Time Arrivals
Punctuality
87%
Late on average 3 minutes
Early
60%
On time
27%
30 mins late
7%
60 mins late
7%
90 mins late
0%
Canceled
0%
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Cheap return flights to Kansas City
- Wed, Oct 28San Francisco (SFO)Kansas City (MKC)
Frontier AirlinesOne way35% off€137€89 - Tue, Oct 20San Francisco (SFO)Kansas City (MKC) Frontier AirlinesOne way28% off€137€98
- Wed, Sep 30San Francisco (SFO)Kansas City (MKC) Frontier AirlinesOne way24% off€137€104
- Fri, Oct 2San Francisco (SFO)Kansas City (MKC) Frontier AirlinesOne way23% off€137€105
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- Mon, Oct 26San Francisco (SFO)Kansas City (MKC) Frontier AirlinesOne way10% off€137€123
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Frequently Asked Questions
What is the current status of flight ua2123?
Flight ua2123 has not departed yet and is currently on schedule. Scheduled departure 5:13 PM, arrival 10:55 PM (updated Sep 20, 2026).Is flight ua2123 on time today?
Flight ua2123 has not departed yet and is currently on schedule. Scheduled departure is 5:13 PM, with arrival at 10:55 PM. 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 5:13 PM. The latest actual or estimated departure time is 5:13 PM, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua2123 scheduled to arrive?
Flight ua2123 is scheduled to arrive at 10:55 PM. The latest estimated or actual arrival time is 10:55 PM. Status is Scheduled as of Sep 20, 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 Kansas City (MCI) to San Francisco (SFO). Typical flight time is about 7 hours42 minutes; operating days may include Sunday.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 Sep 20, 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 Kansas City?
Flight ua2123 has not departed from Kansas City (MCI) yet and is currently on schedule for 5:13 PM.
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Arrival Info: San Francisco Weather & Current Time
Intermittent clouds
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15°C - 21°C
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-2 hour time difference
Time on arrival: Kansas City 00:55| San Francisco 22:55
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