Originally Posted by
flyerCO
TATL/TPAC yes. Not for Caribbean. Those flights are domestic for all intents.
I went digging (and by that I mean I spent 60 seconds googling) and Delta.com says this: "On long-haul international routes, you’ll enjoy a complimentary meal in Main Cabin. With every meal, enjoy complimentary beer, wine and spirits."
http://news.delta.com/onboard-experience-fact-sheet
But yeah, Caribbean, Mexican, and Canadian bound flights from the US (and VV) are treated as domestic flights.