Originally Posted by
cloudeleven
OK, so it's definitely better "insurance" for a situation like this to book multi-city flights all at once on a site like Orbitz, instead of buying a separate flight (on a different airline like TAM) for a side trip like GRU-IGU-GRU?
You can (if you choose) likely buy this ticket on AA.com, by clicking the "all airlines" option. Having bought it from AA is, in my opinion, an advantage when delays cause missed connections.