Quick question. When I look at my upcoming booking, it doesn't allow me to put my passport information in myself; it tells me to contact ANA to do so. I did the website's online chat the other night, and the agent told me not to worry about it and just do it when I check in online. But, the website itself says I need to have that information in there in order to check-in online. Should I waste my time calling and holding for 30+ minutes to get this entered in advance? Or can I just check in online at T-24 and add it then to get my boarding pass?

It's particularly a concern for me as I have a long layover (6h) prior to my first ANA flight (DEL-HND) and I'd love to be able to clear security and use the lounge as soon as I arrive from my connecting flight, and since the check-in desk doesn't open up until T-4, online check in is the only way to get me a boarding pass. Thanks in advance.