Recently did the island hopper HNL to GUM, then onwards to HKG on 1/16/15. Asked about breaking the itinerary into separate segments for upgrade potential on the Premier hotline, HNL ticketing counter, and departure gate. All said no, unless I wanted to pay more (and it was a LOT more).

We sat on right side of plane which was pretty good. I think the only flight that I wished we were on left was landing on Majuro (although with the atoll being so narrow, maybe it didn't make any difference).

Flight landing at GUM was about an hour late, and we ran through the airport to catch our flight to HKG. Had to clear US customs to enter GUM before continuing onto flight to HKG which added time. Got to plane with a few minutes to spare, only to hear flight attendant mention talk about needing to wait for someone from the island hopper before they could depart.

Carry on luggage only as we didn't want luggage being a few days behind us if we got separated. NOTE: it is a huge pain as every time you deplane at a stop, you must take all of your carry on with you. We didn't once, and the security sweep removed our luggage. Fortunately it was plane side and we saw it upon reboarding.

A long grueling day, but the flight creds (and beautiful sights from the air) were definitely worth it.