Originally Posted by
guv1976
From YYZ to AMM, the best single-connection routings using AA miles would be YYZ-AUH-AMM on EY; YYZ-JFK-AMM on TAM/RJ (if RJ's YYZ-AMM through-fare permits use of TAM); and YYZ-JFK/ORD-AMM on AA/RJ. (You'd have to check the connecting times on all of these options; I have not done so.)
For single connections with AA miles, you mentioned:
YYZ-AUH-AMM EY/EY
YYZ-ORD-AMM AA/RJ
YYZ-JFK-AMM JJ/RJ
YYZ-JFK-AMM AA/RJ
Additionally one could fly:
YYZ-AUH-AMM EY/RJ
YYZ-LHR-AMM BA/RJ
YYZ-TXL-AMM AB/RJ
Plus a host of double connections.
Some might consider positioning to YUL and then flying YUL-AMM on RJ nonstop.