Join Date: Sep 2006
Location: Santo Domingo, Dom. Rep. / Washington, DC
Programs: AA PPro/DL PLT, PPass, Marriott / Hilton Gold, JetBlue Mosaic, Hertz Presidents Circle, Amex Plat
Posts: 4,628
As others mentioned, DL flights are managed by AF for check-in and departure purposes, this is why 2 days before departure whatever you see on dl.com (seatmap, upgrade status) is not accurate. Twitter and phone agents don't understand how this happens at all.