Originally Posted by
HJXMAS
These are choices on a DL award ticket with the lowest mileage in J, hence the not so direct routing
Option One;
LIN-LHR (AZ) / LHR - BOS (DL) / BOS - DTW (DL)
Option Two:
LIN-FCO (AZ) / FCO-CDG (AF) / CDG - DTW (AF)
I'd go with the ST hub, CDG, in this case option two, better transit before the long haul.