Originally Posted by
Jaakko7
I have a flight CUN-DFW-HEL, CUN-DFW is operated by AA and DFW-HEL by Finnair. Does anyone know if I have to pick the checked bags in DFW and put them back in?
Yes, you will check them in CUN. When you arrive to DFW, you will need to pass through immigrations, then pick up your checked luggage in baggage claims, proceed past customs and then recheck checked baggage. This is the process for international commercial flights connecting through the US.