Originally Posted by
Clarity_
If you get upgraded and the person travelling with you (on a different PNR) didn't, can you swap places or is it always prohibited?
Had this situation last long haul LAX-HEL: we swapped places before take off (C/PE). No possibility to change afterwards again, so it's a once-per-flight choice.
And beware, no standing and talking in galleys, even if you're married