Originally Posted by
Winkdaddy
I booked United SFO-SIN, then booked separately SQ SIN-BKK (a 2 hour and 45 min layover). My plan was to have United interline the bag to SQ as I read they can do this. If they interline the bag, do I still need to go through immigration or how would that work?
SQ allows check in 48h in advance. If they interline bags, and you have SQ's boarding pass, you can go to your gate.