I was able to add a stop over in JFK for $75, the construction looks HNL-JFK(AA) JFK-ORY(EY).
Somehow, Google flights Allowed me to do it, but it was a big pain to ticket it. Phone agents couldn't add the open skies with EY code, only BA, which ski rockets the price. IB instead if EY works as well. At the end, Google flights found the construction for ticketing with AA directly instead of having to call IB or EY