Aren't the people movers always running? I've never seen them not running, but I always fly between 7am and 12am so I can't speak to the other times.
I'm guessing the new banks will be around 10am and 2pm. Which is a damn shame, because I always like flying out of those times to avoid the super crowded 8-9am and 5-6pm banks. 10am and 2pm are the only times the airport is somewhat bearable with crowd sizes.