UA400 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA400, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS).
This flight data pertains specifically to the flight's details for Wednesday, October 29, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA400
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA400
UA400 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
UA400 United Airlines from San Francisco
Scheduled - Delayed
Delay: 419 minutes
Flight Status for Wednesday October 29, 2025
This flight was also scheduled for Yesterday (October 27, 2025). See it here
This flight is also scheduled for Today (October 28, 2025). See it here
Scheduled - Delayed
Delay: 419 minutes
Flight Status for Wednesday October 29, 2025
Departure
San Francisco (SFO)
October 29, 2025
San Francisco International Airport
Estimated Departure Time:
03:25 pm
Terminal:
3
Gate:
E6
Scheduled Departure Time: 08:25 am
Arrival
Las Vegas (LAS)
October 29, 2025
Las Vegas Harry Reid International Airport
Estimated Arrival Time:
05:05 pm
Terminal:
3
Gate:
D53
Scheduled Arrival Time: 10:05 am
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:
- AC5044 - Air Canada
- NZ9224 - Air New Zealand
- VA8117 - Virgin Australia
Additional Information
Which is the frequency of flight UA400?
The flight UA400 is scheduled to flight on Monday, Tuesday, Sunday on a weekly basis.
Which is the distance of flight UA400?
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.
The flight UA400 is scheduled to flight on Monday, Tuesday, Sunday on a weekly basis.
Which is the distance of flight UA400?
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 San Francisco and Las Vegas:
Alaska Airlines
- Flight Number: AS718. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: AS723. (On Time performance: 67 - Average Delay: 48 minutes)
- Flight Number: AS745. (On Time performance: 77 - Average Delay: 17 minutes)
- Flight Number: AS774. (On Time performance: 73 - Average Delay: 35 minutes)
- Flight Number: AS776. (On Time performance: 63 - Average Delay: 25 minutes)
- Flight Number: AS98. (On Time performance: 85 - Average Delay: 14 minutes)
Frontier Airlines
- Flight Number: F91850. (On Time performance: 57 - Average Delay: 39 minutes)
- Flight Number: F92486. (On Time performance: 61 - Average Delay: 50 minutes)
- Flight Number: F94156. (On Time performance: 55 - Average Delay: 63 minutes)
- Flight Number: F94158. (On Time performance: 89 - Average Delay: 10 minutes)
- Flight Number: F94402.
United Airlines
- Flight Number: UA1048. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: UA1358. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1995. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: UA2492. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: UA406. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: UA504. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: UA611. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: UA751. (On Time performance: 68 - Average Delay: 18 minutes)
Southwest Airlines
- Flight Number: WN199. (On Time performance: 68 - Average Delay: 23 minutes)
- Flight Number: WN2268.
- Flight Number: WN2376. (On Time performance: 83 - Average Delay: 7 minutes)
- Flight Number: WN2778. (On Time performance: 33 - Average Delay: 29 minutes)
- Flight Number: WN3191.
- Flight Number: WN379. (On Time performance: 75 - Average Delay: 26 minutes)
- Flight Number: WN937. (On Time performance: 41 - Average Delay: 47 minutes)
Alaska Airlines
- Flight Number: AS718. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: AS723. (On Time performance: 67 - Average Delay: 48 minutes)
- Flight Number: AS745. (On Time performance: 77 - Average Delay: 17 minutes)
- Flight Number: AS774. (On Time performance: 73 - Average Delay: 35 minutes)
- Flight Number: AS776. (On Time performance: 63 - Average Delay: 25 minutes)
- Flight Number: AS98. (On Time performance: 85 - Average Delay: 14 minutes)
Frontier Airlines
- Flight Number: F91850. (On Time performance: 57 - Average Delay: 39 minutes)
- Flight Number: F92486. (On Time performance: 61 - Average Delay: 50 minutes)
- Flight Number: F94156. (On Time performance: 55 - Average Delay: 63 minutes)
- Flight Number: F94158. (On Time performance: 89 - Average Delay: 10 minutes)
- Flight Number: F94402.
United Airlines
- Flight Number: UA1048. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: UA1358. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1995. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: UA2492. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: UA406. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: UA504. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: UA611. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: UA751. (On Time performance: 68 - Average Delay: 18 minutes)
Southwest Airlines
- Flight Number: WN199. (On Time performance: 68 - Average Delay: 23 minutes)
- Flight Number: WN2268.
- Flight Number: WN2376. (On Time performance: 83 - Average Delay: 7 minutes)
- Flight Number: WN2778. (On Time performance: 33 - Average Delay: 29 minutes)
- Flight Number: WN3191.
- Flight Number: WN379. (On Time performance: 75 - Average Delay: 26 minutes)
- Flight Number: WN937. (On Time performance: 41 - Average Delay: 47 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: We have gathered available data from last twelve closed months, spanning from January 10, 2025 to April 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
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: We have gathered available data from last twelve closed months, spanning from January 10, 2025 to April 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights UA400
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
27 October
27 October
08:19 am
San Francisco (SFO)
San Francisco (SFO)
09:56 am
Las Vegas (LAS)
Las Vegas (LAS)
01h 37min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
26 October
26 October
08:23 am
San Francisco (SFO)
San Francisco (SFO)
09:56 am
Las Vegas (LAS)
Las Vegas (LAS)
01h 33min
Boeing 737-800
Boeing 737-800
Landed - On-time
