Originally Posted by
Thore T
I'm looking at booking BRU-LAX return in W and using SWU's to upgrade. Availability shows R9 BRU-ORD and ORD-BRU and R0 ORD-LAX and LAX-ORD. Can I book the ticket and use SWU's to instantly upgrade the transatlantic, and get waitlisted on the transcont, or will I not be able to upgrade until the entire itinerary clears?
As long as the flight numbers are different for the domestic and international segments, the TATL segments will clear immediately, and you'll be waitlisted for the domestic segments.