UA1229 United Airlines - Flight Status
Codeshare Flights
The flight AC3620 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA1229. Check this page for details about flight UA1229.
Below, you can find details about United Airlines flight UA1229, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, October 23, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1229
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1229
UA1229 On Time performance:
74
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
UA1229 United Airlines from Denver
Scheduled - On-time
Flight Status for Thursday October 23, 2025
This flight was also scheduled for Yesterday (October 21, 2025). See it here
This flight is also scheduled for Today (October 22, 2025). See it here
Scheduled - On-time
Flight Status for Thursday October 23, 2025
Departure
Denver (DEN)
October 23, 2025
Denver International Airport
Estimated Departure Time:
09:10 pm
Terminal:
-
Gate:
A23
Scheduled Departure Time: 09:10 pm
Arrival
San Francisco (SFO)
October 23, 2025
San Francisco International Airport
Estimated Arrival Time:
10:57 pm
Terminal:
3
Gate:
-
Scheduled Arrival Time: 10:57 pm
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:
- AC3620 - Air Canada
- AV2353 - Avianca
- NZ9078 - Air New Zealand
- VA8353 - Virgin Australia
Additional Information
Which is the frequency of flight UA1229?
The flight UA1229 is scheduled to flight on daily basis.
Which is the distance of flight UA1229?
The distance between the two airports is 966 miles.
Which is the flight time of flight UA1229?
The scheduled flight time gate to gate is: 02:47 hours.
The real flight time gate to gate on average is: 02:45 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 Denver: 2025-10-22 14:14:28
Current Time in San Francisco: 2025-10-22 13:14:28
The flight UA1229 is scheduled to flight on daily basis.
Which is the distance of flight UA1229?
The distance between the two airports is 966 miles.
Which is the flight time of flight UA1229?
The scheduled flight time gate to gate is: 02:47 hours.
The real flight time gate to gate on average is: 02:45 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 Denver: 2025-10-22 14:14:28
Current Time in San Francisco: 2025-10-22 13:14:28
Alternative Flights
The following airlines serves the same route between Denver and San Francisco:
Frontier Airlines
- Flight Number: F91093. (On Time performance: 71 - Average Delay: 19 minutes)
- Flight Number: F91229. (On Time performance: 88 - Average Delay: 5 minutes)
- Flight Number: F93439. (On Time performance: 53 - Average Delay: 26 minutes)
United Airlines
- Flight Number: UA1572. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: UA1719. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: UA1784. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: UA1812. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: UA2367. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: UA2391. (On Time performance: 78 - Average Delay: 8 minutes)
- Flight Number: UA2633. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA2681. (On Time performance: 50 - Average Delay: 35 minutes)
Southwest Airlines
- Flight Number: WN1535. (On Time performance: 50 - Average Delay: 17 minutes)
- Flight Number: WN1887. (On Time performance: 46 - Average Delay: 27 minutes)
- Flight Number: WN2397. (On Time performance: 52 - Average Delay: 18 minutes)
- Flight Number: WN2585. (On Time performance: 68 - Average Delay: 14 minutes)
- Flight Number: WN2651. (On Time performance: 49 - Average Delay: 39 minutes)
- Flight Number: WN2652. (On Time performance: 46 - Average Delay: 24 minutes)
- Flight Number: WN2688. (On Time performance: 50 - Average Delay: 15 minutes)
- Flight Number: WN3458. (On Time performance: 69 - Average Delay: 18 minutes)
- Flight Number: WN580. (On Time performance: 38 - Average Delay: 27 minutes)
Frontier Airlines
- Flight Number: F91093. (On Time performance: 71 - Average Delay: 19 minutes)
- Flight Number: F91229. (On Time performance: 88 - Average Delay: 5 minutes)
- Flight Number: F93439. (On Time performance: 53 - Average Delay: 26 minutes)
United Airlines
- Flight Number: UA1572. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: UA1719. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: UA1784. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: UA1812. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: UA2367. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: UA2391. (On Time performance: 78 - Average Delay: 8 minutes)
- Flight Number: UA2633. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA2681. (On Time performance: 50 - Average Delay: 35 minutes)
Southwest Airlines
- Flight Number: WN1535. (On Time performance: 50 - Average Delay: 17 minutes)
- Flight Number: WN1887. (On Time performance: 46 - Average Delay: 27 minutes)
- Flight Number: WN2397. (On Time performance: 52 - Average Delay: 18 minutes)
- Flight Number: WN2585. (On Time performance: 68 - Average Delay: 14 minutes)
- Flight Number: WN2651. (On Time performance: 49 - Average Delay: 39 minutes)
- Flight Number: WN2652. (On Time performance: 46 - Average Delay: 24 minutes)
- Flight Number: WN2688. (On Time performance: 50 - Average Delay: 15 minutes)
- Flight Number: WN3458. (On Time performance: 69 - Average Delay: 18 minutes)
- Flight Number: WN580. (On Time performance: 38 - Average Delay: 27 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from September 25, 2025 to October 17, 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.
Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 25, 2025 to September 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from September 25, 2025 to October 17, 2025, we have obtained these figures.
Total number of flights: 23
On Time: 17 ( 74 % )
Moderate Delay: 3 ( 13 % )
Significant Delay: 2 ( 9 % )
Major Delay: 1 ( 4 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 14 minutes.
Total number of flights: 23
On Time: 17 ( 74 % )
Moderate Delay: 3 ( 13 % )
Significant Delay: 2 ( 9 % )
Major Delay: 1 ( 4 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 14 minutes.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 25, 2025 to September 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 UA1229
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
21 October
21 October
09:06 pm
Denver (DEN)
Denver (DEN)
10:58 pm
San Francisco (SFO)
San Francisco (SFO)
02h 52min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
20 October
20 October
09:14 pm
Denver (DEN)
Denver (DEN)
10:45 pm
San Francisco (SFO)
San Francisco (SFO)
02h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
19 October
19 October
09:09 pm
Denver (DEN)
Denver (DEN)
11:14 pm
San Francisco (SFO)
San Francisco (SFO)
03h 05min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Saturday
18 October
18 October
08:59 pm
Denver (DEN)
Denver (DEN)
11:05 pm
San Francisco (SFO)
San Francisco (SFO)
03h 06min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
17 October
17 October
09:42 pm
Denver (DEN)
Denver (DEN)
11:23 pm
San Francisco (SFO)
San Francisco (SFO)
02h 41min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Thursday
16 October
16 October
09:04 pm
Denver (DEN)
Denver (DEN)
10:40 pm
San Francisco (SFO)
San Francisco (SFO)
02h 36min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
15 October
15 October
11:11 pm
Denver (DEN)
Denver (DEN)
12:49 am
San Francisco (SFO)
San Francisco (SFO)
02h 38min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
14 October
14 October
09:08 pm
Denver (DEN)
Denver (DEN)
11:03 pm
San Francisco (SFO)
San Francisco (SFO)
02h 55min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
13 October
13 October
09:19 pm
Denver (DEN)
Denver (DEN)
11:42 pm
San Francisco (SFO)
San Francisco (SFO)
03h 23min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
12 October
12 October
09:06 pm
Denver (DEN)
Denver (DEN)
10:56 pm
San Francisco (SFO)
San Francisco (SFO)
02h 50min
Boeing 737MAX
Boeing 737MAX
Landed - On-time