Re-ordering posts using the Shuffle feature
Ever feel like shaking things up? Click the Shuffle button at the top of your queue to shuffle your first 200 posts in the queue into a completely random order, excluding any that have been scheduled for a custom date and time. Those posts will not be shuffled and will remain locked in place. You should be able to spot these posts easily as they will have a blue banner, highlighting the publishing time.
Please note that you will only have the option to shuffle posts if you are the account owner or a team member with "Full Posting Access"