Originally Posted by
Oakshadow
I've flown VS-ticketed flights on VS metal several times. You'll get miles for the VS flights. I generally prefer attaching my DL SM number rather than my VS Flying Club one. Their reward program charges near $1k in taxes and fee for TATL reward flights.
The OP question is about the BA segments. Even If they were coded (marketed) as VS, those segments won't earn anything in DL program. I don't believe they even earn in VS program. No different than when DL sells a ticket to SIN with an ANA or Singapore Airlines segment between TYO/ICN and SIN.