Carry-On Bags
Each of the 3 inter-island airlines have a different policy on carry-on bags. If your carry-on is too big, they will make you check it.
Hawaiian – 25 pound limit – 45 linear inches - 9x14x22
Island Air – 16 pound limit
Mokulele Airlines – 20 pound limit – 45 linear inches - - 9x14x22