Originally Posted by
choster
...On the other hand, you won't be able to interline your bags all the way to LAS as you would with United (UA) or US Airways (US).
But the OP still have to collect baggage and clear customs anyway. Yes, it's easier to go to the connections desk and recheck the luggage, but in the grand scheme of things you'll still be responsible for moving luggage from one place to another regardless of which airline you fly on.