Originally Posted by
formeraa
Very rarely will an airline put a delayed bag on another carrier. So, that's out of the question. And, 1:20 is not a huge amount of time for interlining purposes. Hopefully, your originating flight will be ontime. Then, there is a chance that this will work out for you. Otherwise, you will be going back to JAC the next day.
What I wonder is if in this case, isn't US responsible for getting my bag to YX? If they fail, it's their partner UA that flies to JAC two more flights that evening.