Originally Posted by vikom

You will need to follow Domestic Transfers signage. You will need to go through security again but the lines will usually be shorter.

The other option is to exit terminal and re enter but that will take significantly longer and also Subject you to terminal entry checks in addition to queue at normal security.

You do not need to retrieve bags. They get auto Transferred.

90 minutes is enough time. If there is a delay you may request Indigo staff and they will rush you on priority.