In real life, the DOT has approved the following destinations from DCA:
AUS, DEN, LAS, LAX, PHX, SLC, SFO, SJU, SEA, and PDX
(http://www.flyreagan...perimeter-rules)
I believe that these flights should be allowed in the game. I know that only select airlines were chosen to fly these routes, but I feel like it makes since to allow them to be flown in the game. Maybe put a max size aircraft allowed on the routes. Maybe even make it first come first serve, and put a maximum allowed slots on the routes as well to make it a little more realistic as to following the perimeter rule.
Also, the USA-Cuba ban should be lifted in the year 2016 in game.