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: 4,787
I've done the "day before" check-in several times out of CDG (and even in town at the AF office at Invalides). Basically you go to the SkyPriority area with your flight confirmation and they will allow you to drop the bag. Never had an issue.