Originally Posted by
MSPeconomist
Why not PHX-SEA? SEA is becoming a hub and PHX is a major destination, although it's probably more popular from MSP and DTW in the winter. SEA-based elites will want DL on this route, especially as benefits from the DL-AS bilateral partnership are cut.
How many routes in the country have multiple flights per day on four carriers? Is PHX-SEA comparable to those?