What were the final destinations of coast to coast flights in 1921?

Coast to coast flights were known as transcontinental flights.

It commonly refers to a non-stop passenger flight between an airport in the West Coast of the United States and an airport in the East Coast of the United States.

In 1921 the final destinations were mainly in Florida.

The Clouster was a gigantic biplane which flew coast to coast on 24th February, 1921. It became the first place to fly with a load heavier than its weight. Later, it took passengers from san Diego to Los Angeles.