San Francisco to Singapore Flights SFO → SIN

San Francisco International Airport → Singapore Changi Airport

🇺🇸 San Francisco, US → 🇸🇬 Singapore, SG

The San Francisco to Singapore route connects San Francisco International Airport (SFO) in US with Singapore Changi Airport (SIN) in SG. This long-haul flight covers approximately 8628 miles (13885 km) with a typical flight time of 16h 33m. This route is served by 2 airlines: Singapore Airlines, United. AirportRoutes has tracked 2 daily flights on this route.

Departure Airport

San Francisco International Airport

ICAO Code:
KSFO
IATA Code:
SFO
City:
🇺🇸 San Francisco
Country:
US
Elevation:
13 ft

Destination Airport

Singapore Changi Airport

ICAO Code:
WSSS
IATA Code:
SIN
City:
🇸🇬 Singapore
Country:
SG
Elevation:
22 ft

2

Operators

2

Daily Flights

8628

Miles

16h 33m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Singapore Airlines SIA SQ
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 8 17%
Tuesday 5 11%
Wednesday 6 13%
Thursday 5 11%
Friday 7 15%
Saturday 6 13%
Sunday 10 21%

Pattern Analysis

2 Daily Flights:
SIA31 UAL29
Data Points: 47
API observations used to build this analysis
Weekdays: 31 flights
Weekend: 16 flights
Business Route More active on weekdays

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
SIA31 A359 09:40 9:40 AM (Representative)
M T W T F S S
Feb 15, 2026 Active
United
UAL / UA
UAL29 B789 10:35 10:35 AM (Representative)
M T W T F S S
Feb 15, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
09:40 9:40 AM Singapore Airlines SIA SQ
10:35 10:35 AM United UAL UA

Time Information

Times are shown in the departure airport's local timezone (KSFO - America/Los_Angeles).

Total Departure Times: 2
Time Range:
09:40 - 10:35
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.