Originally Posted by
MiamiBeach
...SEA is just a placeholder for ANC (...) One final question, can I confirm space in the DFW-ANC-DFW flights (or any other routing changes) when they become bookable, but not do the physical reissue until after the 4th flight?...
AA will not accept a booking for a city pair not in your ticket.
Edit: why not just go for ANC and leave it open? The schedule will be loaded circa November, before you leave, so that would be one less problem to deal with further down the line.