Originally Posted by
jsloan
If you want to buy LX F, you're not going to have a choice about the flight number -- UA doesn't have a codeshare for LX F because UA doesn't have fare buckets for F at all.
Connecting intra-Europe flights (in this case ZRH-EDI) will be booked in a business class code and could thus at least in theory be booked as UA codeshares.