SIN-SFO UA1/2 resumed 5 Jan 2022, second SIN-SFO UA28/29 has resumed Oct 2022
 

Apparently later this month, Singapore will be opening up to fully vaccinated Americans. You'll need to take a PCR test 48 hours before departure and at arrival. Hopefully, UA will now consider resuming its pre-COVID flight schedules to Singapore.

Singapore opens to Vaccinated US passengers on Oct 18 - When will UA fly to SIN?
 

Now that Singapore has announced opening to Us vaccinated passengers, hope UA will announce soon with resumption of flights to SIN.


https://cimg6.ibsrv.net/gimg/www.fly...2fe59c79a.jpeg

If they can get decent cargo I see the flights resuming - and they've got to find a plane to do the flying.

Cargo is likely key. I’m looking forward to these flights resuming: cheap flights and lifetime miles makes me tingly. Plus, a single COVID test should cover the departure (if needed) and return.

Presently UA is scheduled to restart SFO-SIN UA1/2 on 4 Jan 2022 and a second UA28/29 end of March 2022

Note that this is and will be only possible through specific designated VTL flights. So it’s not as simple as restarting UA service

Until UA makes a formal announcement (or maybe I missed it) - I just think January is a placeholder. I'm thinking about going Jan or Feb but hesitant to tie up thousands of dollars for biz class only to see it potentially go poof - I don't worry about a refund, it is the planning - work time off requests - hotel bookings, etc.....

Can the 789 carry much cargo on such a long-range flight?

Depends on pax load. You can trade a pound below deck for a pound above deck all you want.

And SQ is the only approved carrier that can carry VTL pax from the US.

theres a cap of 3k travelers per day under VTL (across all the VTL countries), so it may not be good enough for UA to staff crew for the limited # of passengers on the flight (aka stay with cargo flights only, dump all the load via TYO

(during covid, UA/NH were often in the top5-10 lowest pricing for NYC-TYO-SIN, just another datapoint. Japan isn't on the VTL list though)

travelers from USA can go with SQ (nonstops from NYC/LAX), or travel via Europe (or any of the VTL countries) and take a nonstop VTL flight from those countries

unfortunately, SIN requires SmartHealth Card(CommonTrustNetwork) digital pass for USA (or UK NHS pass, or EU DCC cert)
https://www.commonhealth.org/smart-health-cards

VTL = Vaccinated Travel Lane

(As mentioned in the image contained in Post # 1.)

Do note that if you read the fine a ton of health providers outside of those states will provide barcodes.
https://www.commontrustnetwork.org/verifier-list

You need to fly on a designated 'Vaccinated Travel Lane' (VTL) flight to qualify for quarantine free arrival in Singapore. Currently, the only two designated VTL flights from the US are SQ23 from JFK and SQ37 from LAX. UA is not listed as one of the VTL carriers at the moment. Passengers will need to provide digital vaccination certification as well...easier to obtain in some states versus others.

All of this could change in the coming months of course. For the moment though, VTL rules are the following:
https://safetravel.ica.gov.sg/sc-pr/vtl

Ive seen them load five pallets at SIN into a sold out flight. I guess it depends what was in those pallets.