I read the very helpful thread about doing International to Domestic connections at BKK (though the link to the pictures seems dead). However, it doesn't really address my situation.
I arrive at about 10pm (from Hong Kong) and don't depart for Chiang Mai until the next afternoon. It is booked as a single ticket and considered a connection (not a stop over) since it is less than 24 hours. I have been told (by the Thai Airways agent) that they can check my luggage all the way to Chiang Mai. It would be nice not to have to deal with my luggage (I always have a change of clothes in my carry-on anyway).
So, I'm wondering how it will work. The example assumes that you are going straight onto your connecting flight, while I am planning on leaving the airport. If I have to claim my luggage, no big deal (I'll just leave it in left luggage), but does anyone have any experience with this?