Originally Posted by
accrue450
Say I book ORD-SYD on United and book a separate YYZ-ORD on United, would I be able to call reservations up and merge into a single ticke (so if YYZ-ORD segment gets delayed they'd accommodate me for the ORD-SYD one)? What about if it's two airlines but in the same alliance, so say United and Swiss?
No. Once separate, always separate.