Originally Posted by
LondonElite
SQ has no influence on ground operations at LHR, and having a boarding pass means nothing. You need to pass immigration and go through a terminal change, with security. Good luck but understand BA is not obligated to put you on a later service if you don’t make the flight you’re booked on. Neither is SQ. It is just useful to understand your options on separate tickets.
I think there’s a fast track option for business class flyers? As I’m flying both business and I checked lhr website, hopefully that won’t be an issue.