It looks like Alaska is launching a BWI-SAN route. The route is showing up on Alaska’s route map as well.
Alaska also will be updating one its Seattle to Boise flights to a 737. They usually fly a Q400 or E175 on this route.
American was granted approval to fly LAX to Beijing.
Allegiant aircraft break down in mid-air 4x as often as other airlines. This doesn’t seems like a huge surprise given all the incidents in the past couple of years.