The 10 Most Popular Domestic Flight Routes

Scoring a great flight deal sometimes comes down to finding that perfect sweet spot in terms of availability and demand.

Looking at the latest seat capacity data from OAG—the world’s leading provider of digital flight information, intelligence and analytics for airports, airlines and travel tech companies—we can see the 10 domestic flight routes generating the most demand among travelers this spring.

The busiest routes range in capacity from 230,825 to 311,191 seats in April 2023 and include some short flights taking as little as an hour in addition to more daunting cross-country journeys.

Here’s a look at the top 10 domestic flight routes as we near the midway point of the year.