Informational Guide to Singapore Changi Airport (SIN) - 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 Thursday, June 04, 2026.

UA1 On Time performance:
78
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

Landed - Delayed
Delay: 28 minutes
Flight Status for Thursday June 04, 2026

Airline information

United Airlines
United Airlines
Equipment: Boeing 787-9

Departure

San Francisco (SFO)
June 02, 2026
San Francisco International Airport
Departed at:
22:53
Terminal:
3
Gate:
F13
Scheduled Departure Time: 22:50

Arrival

Singapore (SIN)
June 04, 2026
Singapore Changi Airport
Arrived at:
06:43
Terminal:
2
Gate:
E28
Scheduled Arrival Time: 06:15
Baggage: 31
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: 16:25 hours.
The real flight time gate to gate on average is: 17:10 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: 2026-06-03 15:55:17
Current Time in Singapore: 2026-06-04 06:55:17

Alternative Flights

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

Singapore Airlines
- Flight Number: SQ31. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: SQ33. (On Time performance: 86 - Average Delay: 7 minutes)

United Airlines
- Flight Number: UA29. (On Time performance: 42 - Average Delay: -15 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 28, 2026 to May 30, 2026, we have obtained these figures.
Total number of flights: 92
On Time: 72 ( 78 % )
Moderate Delay: 14 ( 15 % )
Significant Delay: 4 ( 4 % )
Major Delay: 1 ( 1 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 1 % )

Average Delay: 4 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 30, 2025 to May 30, 2026. 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 June 02, 2025 to May 30, 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.

Last Past Flights UA1

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
03 June
23:15
San Francisco (SFO)
06:50
Singapore (SIN)
16h 35min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Tuesday
02 June
22:50
San Francisco (SFO)
06:18
Singapore (SIN)
16h 28min
Boeing 787-9
Boeing 787-9
Landed - On-time
Monday
01 June
22:47
San Francisco (SFO)
06:02
Singapore (SIN)
16h 15min
Boeing 787-9
Boeing 787-9
Landed - On-time
Sunday
31 May
22:57
San Francisco (SFO)
06:19
Singapore (SIN)
16h 22min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
30 May
22:48
San Francisco (SFO)
06:50
Singapore (SIN)
17h 02min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Friday
29 May
22:53
San Francisco (SFO)
06:23
Singapore (SIN)
16h 30min
Boeing 787-9
Boeing 787-9
Landed - On-time
Thursday
28 May
22:49
San Francisco (SFO)
06:37
Singapore (SIN)
16h 48min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Wednesday
27 May
22:51
San Francisco (SFO)
06:33
Singapore (SIN)
16h 42min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Tuesday
26 May
22:49
San Francisco (SFO)
06:42
Singapore (SIN)
16h 53min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Monday
25 May
23:13
San Francisco (SFO)
06:23
Singapore (SIN)
16h 10min
Boeing 787-9
Boeing 787-9
Landed - On-time