You can play Yukon Airways alone with hardly any modification to the basic rules. You just have to keep in mind the following:
The setup is identical to a two player game: use only 2 dice of each color and place 2 cubes on each location.
Start the game with $3.
Before starting the game you must choose an improvement of your choice: Dial or Switch. Therefore, you must use the Seaplane Card on the side that does not show an Initial Improvement.
At the end of the game calculate your score in the usual way and compare it with the following table to determine if you have achieved a pilot title: …