UA2156 United Airlines - Flight Status

Codeshare Flights
The flight AC3943 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA2156. Check this page for details about flight UA2156.

Below, you can find details about United Airlines flight UA2156, which currently operates between the airports of Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Friday, December 26, 2025.

UA2156 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

UA2156 United Airlines to San Francisco

Scheduled - On-time
Flight Status for Friday December 26, 2025
This flight was also scheduled for Yesterday (December 25, 2025). See it here
This flight is also scheduled for Tomorrow (December 27, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737MAX 9 Passenger

Departure

Las Vegas (LAS)
December 26, 2025
Las Vegas Harry Reid International Airport
Estimated Departure Time:
06:21 pm
Terminal:
3
Gate:
D55
Scheduled Departure Time: 06:21 pm

Arrival

San Francisco (SFO)
December 26, 2025
San Francisco International Airport
Estimated Arrival Time:
08:07 pm
Terminal:
3
Gate:
F21
Scheduled Arrival Time: 08:07 pm
Baggage: 8
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.las-vegas-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AC3943 - Air Canada

- CM1890 - Copa Airlines

- LH9213 - Lufthansa

- NZ9239 - Air New Zealand

- VA8125 - Virgin Australia

Additional Information

Which is the frequency of flight UA2156?
The flight UA2156 is scheduled to flight on daily basis.

Which is the distance of flight UA2156?
The distance between the two airports is 414 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airlines serves the same route between Las Vegas and San Francisco:

Alaska Airlines
- Flight Number: AS570. (On Time performance: 77 - Average Delay: 29 minutes)
- Flight Number: AS613. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: AS634. (On Time performance: 70 - Average Delay: 14 minutes)
- Flight Number: AS718. (On Time performance: 83 - Average Delay: 10 minutes)

Frontier Airlines
- Flight Number: F93019. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: F93801. (On Time performance: 73 - Average Delay: 22 minutes)
- Flight Number: F94401. (On Time performance: 49 - Average Delay: 40 minutes)

United Airlines
- Flight Number: UA1168. (On Time performance: 47 - Average Delay: 26 minutes)
- Flight Number: UA1267. (On Time performance: 57 - Average Delay: 24 minutes)
- Flight Number: UA1355. (On Time performance: 97 - Average Delay: 1 minutes)
- Flight Number: UA1799. (On Time performance: 76 - Average Delay: 12 minutes)
- Flight Number: UA2046. (On Time performance: 69 - Average Delay: 36 minutes)
- Flight Number: UA2047. (On Time performance: 70 - Average Delay: 14 minutes)
- Flight Number: UA2356. (On Time performance: 55 - Average Delay: 15 minutes)
- Flight Number: UA2421. (On Time performance: 69 - Average Delay: 31 minutes)
- Flight Number: UA2423. (On Time performance: 63 - Average Delay: 15 minutes)
- Flight Number: UA2439. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA354. (On Time performance: 66 - Average Delay: 13 minutes)
- Flight Number: UA365. (On Time performance: 54 - Average Delay: 23 minutes)
- Flight Number: UA574. (On Time performance: 77 - Average Delay: 14 minutes)

Southwest Airlines
- Flight Number: WN2176. (On Time performance: 41 - Average Delay: 27 minutes)
- Flight Number: WN2914.
- Flight Number: WN3297. (On Time performance: 67 - Average Delay: 15 minutes)
- Flight Number: WN4205.
- Flight Number: WN606. (On Time performance: 63 - Average Delay: 17 minutes)
- Flight Number: WN966. (On Time performance: 35 - Average Delay: 39 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights UA2156

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
25 December
07:51 pm
Las Vegas (LAS)
09:34 pm
San Francisco (SFO)
01h 43min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
24 December
06:49 pm
Las Vegas (LAS)
09:47 pm
San Francisco (SFO)
02h 58min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
23 December
07:25 pm
Las Vegas (LAS)
09:04 pm
San Francisco (SFO)
01h 39min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
22 December
07:29 pm
Las Vegas (LAS)
09:08 pm
San Francisco (SFO)
01h 39min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
21 December
07:29 pm
Las Vegas (LAS)
09:37 pm
San Francisco (SFO)
02h 08min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Saturday
20 December
06:16 pm
Las Vegas (LAS)
08:10 pm
San Francisco (SFO)
01h 54min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
19 December
06:35 pm
Las Vegas (LAS)
08:36 pm
San Francisco (SFO)
02h 01min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
18 December
08:01 pm
Las Vegas (LAS)
09:36 pm
San Francisco (SFO)
01h 35min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed