Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

UA501 United Airlines - Flight Status

Codeshare Flights
The flight AC4047 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA501. Check this page for details about flight UA501.

Below, you can find details about United Airlines flight UA501, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Tuesday, April 01, 2025.

UA501 On Time performance:
98
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

UA501 United Airlines to Denver

Scheduled - On-time
Flight Status for Tuesday April 01, 2025
This flight was also scheduled for Yesterday (March 30, 2025). See it here
This flight is also scheduled for Today (March 31, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3

Departure

San Francisco (SFO)
April 01, 2025
San Francisco International Airport
Estimated Departure Time:
08:35 am
Terminal:
3
Gate:
E10
Scheduled Departure Time: 08:35 am

Arrival

Denver (DEN)
April 01, 2025
Denver International Airport
Estimated Arrival Time:
12:18 pm
Terminal:
-
Gate:
A27
Scheduled Arrival Time: 12:18 pm
Baggage: 14
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.airport-sfo.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:

- AC4047 - Air Canada

- NZ9058 - Air New Zealand

- VA8342 - Virgin Australia

Additional Information

Which is the frequency of flight UA501?
The flight UA501 is scheduled to flight on daily basis.

Which is the distance of flight UA501?
The distance between the two airports is 966 miles.

Which is the flight time of flight UA501?
The scheduled flight time gate to gate is: 02:43 hours.
The real flight time gate to gate on average is: 02:32 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in San Francisco: 2025-03-31 16:43:39
Current Time in Denver: 2025-03-31 17:43:39

Alternative Flights

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

Frontier Airlines
- Flight Number: F91094. (On Time performance: 87 - Average Delay: 13 minutes)
- Flight Number: F91230. (On Time performance: 86 - Average Delay: 14 minutes)
- Flight Number: F93440. (On Time performance: 65 - Average Delay: 32 minutes)

United Airlines
- Flight Number: UA1241. (On Time performance: 96 - Average Delay: 4 minutes)
- Flight Number: UA1362. (On Time performance: 91 - Average Delay: 12 minutes)
- Flight Number: UA1691. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: UA1791. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: UA2420. (On Time performance: 96 - Average Delay: 5 minutes)
- Flight Number: UA277. (On Time performance: 80 - Average Delay: 15 minutes)
- Flight Number: UA2862. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: UA297. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: UA566. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: UA732. (On Time performance: 81 - Average Delay: 8 minutes)

Southwest Airlines
- Flight Number: WN142. (On Time performance: 94 - Average Delay: 3 minutes)
- Flight Number: WN1629. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: WN2354. (On Time performance: 63 - Average Delay: 18 minutes)
- Flight Number: WN2712. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: WN2747. (On Time performance: 79 - Average Delay: 12 minutes)
- Flight Number: WN2816. (On Time performance: 55 - Average Delay: 21 minutes)
- Flight Number: WN369.
- Flight Number: WN3758.
- Flight Number: WN4682. (On Time performance: 82 - Average Delay: 7 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 February 13, 2025 to March 29, 2025, we have obtained these figures.
Total number of flights: 45
On Time: 44 ( 98 % )
Moderate Delay: 1 ( 2 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 1 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from February 13, 2025 to March 29, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 31, 2024 to February 28, 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.

Last Past Flights UA501

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
30 March
08:20 am
San Francisco (SFO)
11:53 am
Denver (DEN)
02h 33min
Airbus A321neo
Airbus A321neo
Landed - On-time
Saturday
29 March
08:45 am
San Francisco (SFO)
12:16 pm
Denver (DEN)
02h 31min
Boeing 757-200
Boeing 757-200
Landed - On-time
Friday
28 March
08:47 am
San Francisco (SFO)
12:11 pm
Denver (DEN)
02h 24min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
27 March
08:51 am
San Francisco (SFO)
12:11 pm
Denver (DEN)
02h 20min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
26 March
08:40 am
San Francisco (SFO)
12:20 pm
Denver (DEN)
02h 40min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
25 March
08:46 am
San Francisco (SFO)
12:21 pm
Denver (DEN)
02h 35min
Boeing 737-900
Boeing 737-900
Landed - On-time
Monday
24 March
08:43 am
San Francisco (SFO)
12:17 pm
Denver (DEN)
02h 34min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
23 March
08:48 am
San Francisco (SFO)
12:24 pm
Denver (DEN)
02h 36min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
22 March
09:00 am
San Francisco (SFO)
12:28 pm
Denver (DEN)
02h 28min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
21 March
08:44 am
San Francisco (SFO)
12:01 pm
Denver (DEN)
02h 17min
Boeing 737-900
Boeing 737-900
Landed - On-time