Moderator, All Nippon Airways and Japan
Join Date: Sep 2005
Location: TYO
Programs: NH SFC (*G), JL JGP (OWE), AS MVP, WOH E, IHG SE
Posts: 3,908
At HND, ANA's check-in counters are open all day, so you can indeed check in as early as you would like that day regardless of what flight you are on.