From the inside cover of the US Figure Skating Directory:
AT&T US Nationals:
1/29 3-6pm LIVE
1/29 9-11pm LIVE
1/30 4-6pm LIVE
2/5 2:30-4:30pm Skating Spectacular (not live)
The event schedule with times has been posted: http://www.northcarolina2011.com/schedule.html