I would spend those wasted minutes by observing what’s happening - which agenda items are helpful, where does it drag on, are there patterns of who talks all th

I would spend those wasted minutes by observing what’s happening - which agenda items are helpful, where does it drag on, are there patterns of who talks all the time etc. Then bring up those observations politely at your next 1:1 with your manager, ideally with a suggestion of what and how to make the meeting more valuable to your work.