https://www.united.com/ual/en/us/fly...ng.html#hawaii
.bomb is now listing in-terminal rapid testing for DEN and EWR. Appears to be M-F. Also lists a mail-in option from ADL Health. Traveling on 12/27 DEN-HNL and still weighing options as none of these providers are listed on the Hawaii Safe Travels site + the holiday is gumming up transit time for an at-home test.