The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Singapore ⇄ San Francisco International SIN–SFO

Airlines flew 2,044 flights between Singapore, Singapore SIN in Singapore, SG and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 511,465 passengers in 603,823 seats, 85% of them filled, and 24,475,292 pounds of freight. 8,440 miles, about 615 minutes in the air, on 2 airlines: United Air Lines Inc. (1,438), Singapore Airlines Ltd. (606).

2,044
flights, twelve months
SIN-SFO: 1,019 · SFO-SIN: 1,025
511,465
passengers
85% of seats filled
8,440
miles
about 615 minutes airborne
2
airlines
2 aircraft types

Flights by month both directions

046931401861/254/257/2510/251/264/261247/26
By month, as a table
flights
1/25186
2/25161
3/25183
4/25179
5/25185
6/25170
7/25186
8/25186
9/25177
10/25182
11/25120
12/25185
1/26182
2/26165
3/26186
4/26177
5/26182
6/26178
7/26124

Passengers by month

013,32726,65439,98253,3091/254/257/2510/251/264/2623,6757/26
By month, as a table
passengers
1/2551,772
2/2540,990
3/2532,485
4/2532,523
5/2533,359
6/2547,309
7/2545,520
8/2549,407
9/2541,970
10/2539,094
11/2523,358
12/2548,778
1/2648,079
2/2641,756
3/2653,309
4/2647,513
5/2647,713
6/2646,813
7/2623,675

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,438287,71680%charter cargo service, scheduled passenger service
Singapore Airlines Ltd. SQ606223,74992%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
B787-900 Dreamliner1,438252287,716
Airbus Industrie A350-900606399223,749

SIN → SFO this direction alone · flown January 2025 to July 2026

1,019 flights of 730 scheduled, 256,377 passengers in 296,477 seats, 18,464,716 pounds of freight, 354,219 pounds of mail. United Air Lines Inc. 716; Singapore Airlines Ltd. 303.

SFO → SIN this direction alone · flown January 2025 to July 2026

1,025 flights of 730 scheduled, 255,088 passengers in 307,346 seats, 6,010,576 pounds of freight, 108,846 pounds of mail. United Air Lines Inc. 722; Singapore Airlines Ltd. 303.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Singapore, Singapore SIN and San Francisco International SFO; all routes.