It seems these days that the biggest competition for Horizon Air are the shuttle buses that are now starting to drive passengers into SEATAC from the smaller towns.

Why pay a few hundred dollars for Horizon Air to fly you into Seatac when you can get the same travel for forty dollars from a shuttle bus service? Every bus they add to the line is another empty Dash 8. According to the news they are adding a lot of buses.

Skyhigh