Originally Posted by
EmailKid
Did similiar on CDN passport earlier this year.
Paid SFO-PVG, 47 hour 30 minute layover, reward PVG-BKK.
Had with me copy of itin and receipt for next flight and my prepaid hotel reservation in Shanghai. It's my understanding they like to see both of those.
EmailKid
I presume this could have been a mess if a schedule change had made the layover go to 48 hours and one minute.