Denver airport to salida is just under a 3 hour drive, renting a car is recommended.
This is a smaller airport that is about 2 hours from Salida, would also suggest renting a car.
Shuttle will start by doing a pick up at 4pm at the Hampton inn and a second shuttle will pick up at 4:30 in downtown Salida (F street bridge).
There will also be a ceremony to reception shuttle up the hill to the barn from 5:30-6:30.
End of night shuttle will be between 9:30-11:30pm, try to ride with groups that are staying in similar locations. Shuttles depart every 30min.