Originally Posted by
BlueZebra
Flying SFO-LAS you aren't arriving from an international flight. So the question is does UA have an interline agreement with WK3? If so, your bags will be checked through to Zurich from SFO.
OK that's what I was assuming, as the 1st leg is a domestic flight, this wouldn't apply.
I assume UA does interline with WK/LX. It's a single PNR sold by LX.