Skyteam options:
KE ATL ICN HKG
DL ATL SEA HKG
KE win on service and food by a nose. DL win on seat due to all aisle access. DL schedule might be better for you are leaving ATL in the morning and be in HK around 9-10pm.
CX direct are out of SFO ORD. JFK has a stopover at YVR and BOS service starting soon on the 787.
There might be:
AF ATL CDG HKG
KL ATL AMS HKG