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

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 Friday, February 27, 2026.

UA1 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

UA1 United Airlines to Singapore

Scheduled - On-time
Flight Status for Friday February 27, 2026
This flight was also scheduled for Yesterday (February 26, 2026). See it here
This flight is also scheduled for Tomorrow (February 28, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 787-9

Departure

San Francisco (SFO)
February 27, 2026
San Francisco International Airport
Estimated Departure Time:
10:35 pm
Terminal:
3
Gate:
F13
Scheduled Departure Time: 10:35 pm

Arrival

Singapore (SIN)
March 01, 2026
Singapore Changi Airport
Estimated Arrival Time:
07:41 am
Terminal:
2
Gate:
-
Scheduled Arrival Time: 08:00 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.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.

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 8441 miles.

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: 2026-02-27 18:40:25
Current Time in Singapore: 2026-02-28 10:40:25

Alternative Flights

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

Singapore Airlines
- Flight Number: SQ31. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: SQ33.

United Airlines
- Flight Number: UA29. (On Time performance: 52 - Average Delay: 4 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 February 02, 2025 to January 31, 2026. 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 UA1

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
28 February
10:31 pm
San Francisco (SFO)
07:51 am
Singapore (SIN)
17h 20min
Boeing 787-9
Boeing 787-9
- On-time
Friday
27 February
10:38 pm
San Francisco (SFO)
07:38 am
Singapore (SIN)
17h 00min
Boeing 787-9
Boeing 787-9
- On-time
Thursday
26 February
10:35 pm
San Francisco (SFO)
07:47 am
Singapore (SIN)
17h 12min
Boeing 787-9
Boeing 787-9
- On-time
Wednesday
25 February
11:32 pm
San Francisco (SFO)
07:59 am
Singapore (SIN)
16h 27min
Boeing 787-9
Boeing 787-9
- On-time
Tuesday
24 February
10:45 pm
San Francisco (SFO)
07:45 am
Singapore (SIN)
17h 00min
Boeing 787-9
Boeing 787-9
- On-time
Monday
23 February
10:51 pm
San Francisco (SFO)
07:46 am
Singapore (SIN)
16h 55min
Boeing 787-9
Boeing 787-9
- On-time
Sunday
22 February
10:54 pm
San Francisco (SFO)
07:59 am
Singapore (SIN)
17h 05min
Boeing 787-9
Boeing 787-9
- On-time
Saturday
21 February
10:52 pm
San Francisco (SFO)
08:34 am
Singapore (SIN)
17h 42min
Boeing 787-9
Boeing 787-9
- Delayed
Friday
20 February
10:59 pm
San Francisco (SFO)
08:38 am
Singapore (SIN)
17h 39min
Boeing 787-9
Boeing 787-9
- Delayed
Thursday
19 February
10:50 pm
San Francisco (SFO)
08:11 am
Singapore (SIN)
17h 21min
Boeing 787-9
Boeing 787-9
- On-time