Originally Posted by
JayhawkCO
1) The PNRs cannot be combined. That said, AA and JL are interline partners, so you should be able to check your luggage through if you give the AA check-in agents the JL itinerary.
Where did you get that idea?
While anything is possible, AA policy is not to through-check bags across separate PNRs -- even if both flights are on AA metal.