Hawaiian Airlines provide you with a facility to upgrade to a higher class. Likewise, if you want to make an upgrade, there are multiple ways to use it, try upgrading when checkin in using the kiosk at the airport, or you can use the web check-in to upgrade your ticket.
If you want to add to an upgrade list, then there are some tips that you can follow that can ensure that you get added to the Hawaiian Airlines waitlist.
Earn elite airline status
Fly with someone having elite status
Pay for the last-minute upgrade
Try purchasing an upgrade using the right credit card
Ask for an elite member for their unused upgrades.
If you add yourself to the upgrade list of Hawaiian Airlines, you can get an upgrade if there are any available prior to your flight departure, and you are notified of the same using an email. Follow these steps to know how to get on the upgrade list of Hawaiian Airlines
First, you have to reach the website of Hawaiian Airlines.
After this, click on check-in, then provide PNR and your last name
Then click on check-in. After this, you must select yourself on the upgrade list on the ticket you want to upgrade.
If this is successful, you are going to get an email for the same which can confirm your upgrade to a higher class that you recently made after following these steps.
If you hold an elite status of Hawaiian miles and you are on the Hawaiian Airlines waitlist then if there is an upgrade available, you are given that for free for those who are platinum and gold travelers, and you are informed of this prior to your departure.