UA2423 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA2423, 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 Thursday, December 18, 2025.

UA2423 On Time performance:
62
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA2423 United Airlines to San Francisco

Airline information

United Airlines
United Airlines

Departure

Las Vegas (LAS)
December 15, 2025
Las Vegas Harry Reid International Airport

Arrival

San Francisco (SFO)
December 15, 2025
San Francisco International Airport
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:

- AC3488 - Air Canada

- NH7309 - ANA All Nippon Airways

- NZ9236 - Air New Zealand

- OZ6341 - Asiana Airlines

- VA8128 - Virgin Australia

Additional Information

Which is the frequency of flight UA2423?
The flight UA2423 is scheduled to flight on daily basis.

Which is the distance of flight UA2423?
The distance between the two airports is 414 miles.

Which is the flight time of flight UA2423?
The scheduled flight time gate to gate is: 01:44 hours.
The real flight time gate to gate on average is: 01:52 hours.

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: 74 - Average Delay: 29 minutes)
- Flight Number: AS613. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: AS634. (On Time performance: 70 - Average Delay: 14 minutes)
- Flight Number: AS718. (On Time performance: 82 - Average Delay: 11 minutes)

Frontier Airlines
- Flight Number: F93019. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: F93801. (On Time performance: 72 - Average Delay: 23 minutes)
- Flight Number: F94401. (On Time performance: 48 - Average Delay: 40 minutes)

United Airlines
- Flight Number: UA1168. (On Time performance: 47 - Average Delay: 26 minutes)
- Flight Number: UA1267. (On Time performance: 56 - Average Delay: 22 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: 67 - Average Delay: 38 minutes)
- Flight Number: UA2047. (On Time performance: 70 - Average Delay: 14 minutes)
- Flight Number: UA2356. (On Time performance: 56 - Average Delay: 15 minutes)
- Flight Number: UA2421. (On Time performance: 85 - Average Delay: 13 minutes)
- Flight Number: UA2439. (On Time performance: 100 - Average Delay: 3 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: 36 - Average Delay: 29 minutes)
- Flight Number: WN3297. (On Time performance: 67 - Average Delay: 16 minutes)
- Flight Number: WN606. (On Time performance: 63 - Average Delay: 17 minutes)
- Flight Number: WN966. (On Time performance: 36 - Average Delay: 39 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 02, 2025 to December 14, 2025, we have obtained these figures.
Total number of flights: 13
On Time: 8 ( 62 % )
Moderate Delay: 4 ( 31 % )
Significant Delay: 1 ( 8 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 12 minutes.
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 UA2423

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
16 December
07:30 am
Las Vegas (LAS)
09:35 am
San Francisco (SFO)
02h 05min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
15 December
07:38 am
Las Vegas (LAS)
09:35 am
San Francisco (SFO)
01h 57min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
14 December
07:35 am
Las Vegas (LAS)
09:17 am
San Francisco (SFO)
01h 42min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
13 December
07:31 am
Las Vegas (LAS)
09:48 am
San Francisco (SFO)
02h 17min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
12 December
07:30 am
Las Vegas (LAS)
09:38 am
San Francisco (SFO)
02h 08min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
11 December
08:30 am
Las Vegas (LAS)
09:56 am
San Francisco (SFO)
01h 26min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
10 December
07:30 am
Las Vegas (LAS)
09:25 am
San Francisco (SFO)
01h 55min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
09 December
07:33 am
Las Vegas (LAS)
09:49 am
San Francisco (SFO)
02h 16min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
08 December
07:33 am
Las Vegas (LAS)
09:38 am
San Francisco (SFO)
02h 05min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
07 December
07:43 am
Las Vegas (LAS)
09:53 am
San Francisco (SFO)
02h 10min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed