UA1 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA1, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Singapore - Singapore Changi Airport (Airport Code SIN).
This flight data pertains specifically to the flight's details for Monday, August 18, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1
UA1 On Time performance:
68
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
UA1 United Airlines from San Francisco
En Route - On-time
Delay: 3 minutes
Flight Status for Monday August 18, 2025
This flight was also scheduled for Yesterday (August 17, 2025). See it here
This flight is also scheduled for Tomorrow (August 19, 2025). See it here
En Route - On-time
Delay: 3 minutes
Flight Status for Monday August 18, 2025
Departure
San Francisco (SFO)
August 16, 2025
San Francisco International Airport
Departed at:
23:00
Terminal:
I
Gate:
G3
Scheduled Departure Time: 22:55
Arrival
Singapore (SIN)
August 18, 2025
Singapore Changi Airport
Estimated Arrival Time:
06:18
Terminal:
2
Gate:
E24
Scheduled Arrival Time: 06:15
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.singapore-airport.net assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight UA1?
The flight UA1 is scheduled to flight on daily basis.
Which is the distance of flight UA1?
The distance between the two airports is 13584 kilometers.
Which is the flight time of flight UA1?
The scheduled flight time gate to gate is: 16:20 hours.
The real flight time gate to gate on average is: 16:16 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: 2025-08-17 09:21:40
Current Time in Singapore: 2025-08-18 00:21:40
The flight UA1 is scheduled to flight on daily basis.
Which is the distance of flight UA1?
The distance between the two airports is 13584 kilometers.
Which is the flight time of flight UA1?
The scheduled flight time gate to gate is: 16:20 hours.
The real flight time gate to gate on average is: 16:16 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: 2025-08-17 09:21:40
Current Time in Singapore: 2025-08-18 00:21:40
Alternative Flights
The following airlines serves the same route between San Francisco and Singapore:
Singapore Airlines
- Flight Number: SQ31. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: SQ33. (On Time performance: 88 - Average Delay: 8 minutes)
United Airlines
- Flight Number: UA29. (On Time performance: 53 - Average Delay: -2 minutes)
Singapore Airlines
- Flight Number: SQ31. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: SQ33. (On Time performance: 88 - Average Delay: 8 minutes)
United Airlines
- Flight Number: UA29. (On Time performance: 53 - Average Delay: -2 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 February 14, 2025 to August 13, 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 August 02, 2024 to July 31, 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 May 14, 2025 to August 13, 2025, we have obtained these figures.
Total number of flights: 92
On Time: 63 ( 68 % )
Moderate Delay: 18 ( 20 % )
Significant Delay: 6 ( 7 % )
Major Delay: 3 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 2 ( 2 % )
Average Delay: -1 minutes.
Total number of flights: 92
On Time: 63 ( 68 % )
Moderate Delay: 18 ( 20 % )
Significant Delay: 6 ( 7 % )
Major Delay: 3 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 2 ( 2 % )
Average Delay: -1 minutes.
Last Past Flights UA1
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
17 August
17 August
23:05
San Francisco (SFO)
San Francisco (SFO)
06:12
Singapore (SIN)
Singapore (SIN)
16h 07min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
16 August
16 August
23:05
San Francisco (SFO)
San Francisco (SFO)
06:39
Singapore (SIN)
Singapore (SIN)
16h 34min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Friday
15 August
15 August
23:16
San Francisco (SFO)
San Francisco (SFO)
06:03
Singapore (SIN)
Singapore (SIN)
15h 47min
Boeing 787-9
Boeing 787-9
Landed - On-time
Thursday
14 August
14 August
23:29
San Francisco (SFO)
San Francisco (SFO)
06:29
Singapore (SIN)
Singapore (SIN)
16h 00min
Boeing 787-9
Boeing 787-9
Landed - On-time
Wednesday
13 August
13 August
22:55
San Francisco (SFO)
San Francisco (SFO)
06:12
Singapore (SIN)
Singapore (SIN)
16h 17min
Boeing 787-9
Boeing 787-9
Landed - On-time
Tuesday
12 August
12 August
22:54
San Francisco (SFO)
San Francisco (SFO)
06:21
Singapore (SIN)
Singapore (SIN)
16h 27min
Boeing 787-9
Boeing 787-9
Landed - On-time
Monday
11 August
11 August
22:59
San Francisco (SFO)
San Francisco (SFO)
06:18
Singapore (SIN)
Singapore (SIN)
16h 19min
Boeing 787-9
Boeing 787-9
Landed - On-time
Sunday
10 August
10 August
22:54
San Francisco (SFO)
San Francisco (SFO)
06:11
Singapore (SIN)
Singapore (SIN)
16h 17min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
09 August
09 August
22:55
San Francisco (SFO)
San Francisco (SFO)
06:12
Singapore (SIN)
Singapore (SIN)
16h 17min
Boeing 787-9
Boeing 787-9
Landed - On-time
Friday
08 August
08 August
23:14
San Francisco (SFO)
San Francisco (SFO)
06:05
Singapore (SIN)
Singapore (SIN)
15h 51min
Boeing 787-9
Boeing 787-9
Landed - On-time