Tony Zarrella, the sports director at 19 Action News, is reporting on Twitter that Tom Izzo is already in Cleveland. I haven't seen any other sources backing that up, though, and there have been some conflicting reports about when exactly he is scheduled to leave for Ohio.
Seemingly backing up the notion that Izzo hasn't left just yet is the activity log for a private plane with the tail number N949CE. That plane, according to FlightAware.com, left Burke Lakefront in Cleveland this morning, stopped at Oakland Country International, and arrived at Capital Region International in Lansing at 11:23 a.m. The plane is then scheduled to leave Lansing for Cleveland at 12:55 p.m. Is that when Izzo will leave for his visit? It certainly seems like it. I guess we will have to wait to hear confirmation to be absolutely sure, though.
UPDATE: The AP's Larry Lage reports that Izzo has been on campus in East Lansing all morning and will be leaving for Cleveland later today.