The airport there was much better able to handle flights and passenger volume. Of course, on your return trip you will have to take your stored baggage off in LA for Customs Inspection. Even if you are continuing on another airline, there is a place nearby to check it to your final destination before going to the domestic terminal. If you need to stay the night before going to other destinations, there are numerous hotels in many price ranges. You can use Internet search engines to find what suits you best.
Rooms have safes, color TV, phones and fax machines.
The food is good. Great view from the rooftop restaurant. Numerous Vietnamese citizens will approach you at the airport and offer to drive you anywhere in Vietnam. Trip by car is long and rough. You must take two separate ferry rides across rivers and during the rainy season, this is a bit hairy.