SEA-DCA used to be one of my milk runs. I would not be surprised to see SAN-DCA become the same thing for everybody south of SNA. With the large military population from Camp Pendleton and south, it seems to me this will have heavy DoD loads. So like the SEA-DCA flights, don't expect much in the way of available upgrades. My previous SEA-DCA flights would have as many as ~90-100 names. Even as a 75K I would be between 20-30 on the list. I even sat next to a member of Congress, who was in a middle seat, because they didn't upgrade. Evidently that flight had multiple members of Congress in the cheap seats. So unless you're a 100K booking Y, B, or H fare class tickets (I think K won't be enough), don't get your hope up. But it is a great addition to the AS system.