Originally Posted by
matthew64832
... Back on topic, just curious at ATL, can I check in for a domestic flight (with a checked bag) at int'l terminal? Or can they only handle bags for int'l flights?
You can check in at international assuming you are on an airline that has an open counter at international.
So for DL and WN, yes. Others you have best see if they have somebody covering for them.
Same the other way.
With a BP and no checked bag though, nothing matters. Do what you want.