Korean Air Skypass - luggage question

I'm flying MEM-ATL on a DL itin. then KE ATL-ICN-NRT-ICN-ORD followed by DL ORD-ATL-MEM. I have about a 12 hour layover each way in ICN, and was wondering if KE would allow me to check my bags through to NRT, so I can make use of the Air Garden transit hotel. Any experiences?

I think KE will hold your bags if your connection is less than 24 hours. Just make sure the agent tags your bags to NRT.