Originally Posted by tafer2uk

My wife and I are flying Swiss in J to LHR-BKK next year. Outbound from LHR-ZUR we are scheduled to fly on an A220-100 and the same inbound on our return ZUR-LHR. I have currently selected 3A and 4C assuming that whichever of the two sits in 4C they can move to the window seat should they choose. I just wanted to check if my assumption is correct or will the person be required to sit in 4C and enforced by the cabin crew? TIA