Originally Posted by
number_6
The best of these was LAX-SXM but that didn't last long and I never managed to fly it. AA changes the schedule quarterly and many of these through flights last for precisely 1 quarter. So book early; and once you are booked, AA will re-route you for free onto a 17th sector if necessary (though I guess that spoils the BA TP earning).
Also remember that services to/from the USA to/from Canada, Mexico or the Caribbean all book into business class, not first class, so any 2000+ mi legs to/from those destinations will not earn FC TPs.