Latest version of FV Flowplayer (2.3.13) brings detailed video stats into your Google Analytics account.
Basic Flowplayer version tracks number of seconds played for each users, which then gives you an average value in Google Analytics Events list. However this takes place when you stop the video or leave the page and it's not 100% reliable.
That's why FV Flowplayer now tracks the following events:
Keep reading Detailed Video Stats in Google Analytics