2h 36mmedian time
in this ER
Adventist Health Castle ER wait time
Emergency room · Kailua,
HIFaster than 44% of US ERs · #2,228 of 4,081
8m slower than the US median
This ERHI 2h 15mUS 2h 28m
640 Ulukahiki St, Kailua, HI 96734
Patients sent home from the emergency room at Adventist Health Castle in Kailua, Hawaii spend a median of 2 hours 36 minutes there, from arrival to leaving. That's 8 minutes more than the national median of 2 hours 28 minutes, and slower than the Hawaii median of 2 hours 15 minutes. 1% of patients left before being seen.
Questions
How long is the wait at the Adventist Health Castle ER?
The median patient who is sent home spends 2 hours 36 minutes in the ER, from arrival to departure (CMS, Oct 2024 to Sep 2025). Half of patients spend longer.
Is that a long wait?
It's longer than the US median of 2 hours 28 minutes. It's faster than 44% of the 4,081 US ERs that report this number.
Where does this data come from?
From CMS Care Compare, measure OP-18b. How this works.
Not medical advice. If you're having a medical emergency, call 911.
