Originally Posted by
KevinDTW
A 70 lbs bag would be pretty heavy -- can you at least put it on your home scale and get a general idea of the weight? As for AF, you might have to consider their policies if upon your return your first leg is on AF and you have to check in at an AF counter. I haven't flown AF in years so IDK if that would impact you, but you might check it out to avoid any unpleasant surprises.
Actually this is outdated info. Airlines now use the MSC (Most Significant Carrier) rule for international flights. The airline that is the most signficant carrier of your itinerary is the airline whose rules you need to follow. So if DL is the primary international carrier, it is DL's rules you follow. I have found the airlines to be really good in knowing these rules, since they are in fact US federal regulations now.