Hi, just wanted to share something that fixed my post-game stat page lag/delay.
Go to www.adobe.com and download the latest version of Adobe Air. Install it.
My post-game lag/delay -> statistic screen issues went away after installing the latest version of Air.
gl & hf
© 2013 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.