Originally Posted by
Eastbay1K
As an added caveat, if you're on an ATL Int'l - Int'l connection, your checked luggage goes right through (no need to claim and drop) so there's no opportunity to place any EZE-acquired DF liquids in your checked luggage.
I am not sure if the transfer happens automatically. You need to get the "I-t-I transfer" velvet sticker attached to your baggage tag during check-in; perhaps check-in agents pay attention to it and attach it without asking, but I have always asked for it in Lima. Also, the transfer is possible if the second Int'l connection is also operated by DL; in case it is an AF or KL flight or a flight marketed by DL but operated by another carrier, you will need to recheck your bag in ATL.