According to SimplyFlying, Alaska Airlines plans to take delivery of its first 737 MAX 9 on January 14th
More information below:
When the 737 MAX was deemed able to fly, Alaska Airlines was the first customer to order the MAX.
Alaska Airlines also plans to fly their first passenger flight with their 737 MAX 9 two months after the delivery.
Routes for 737 MAX
SEA-LAX
SEA-SAN
PDX-LAS
PDX-LAX
More information below: