People tend to check in during these times:
Closest one to the airport
Boeing discount and they give credit to your Alaska airline account. 25 miles per day you park. Great service.
Try parking a car here!
AAA it's a good discount rate.
The AAA discount its one if their better rates.
They give a Microsoft discount.
Use your AAA card for the best discount
Don't forget to print out the web coupon before you come back