In the dynamic realm of domestic air travel within the United States, the pulse of aviation beats strongest on certain routes that connect cities, business hubs, and leisure destinations.

We examine the top 10 busiest domestic flight routes that encompass the country’s busy Flight Routes in 2023. These routes are essential corridors that run from coast to coast and demonstrate how different and connected air travel is across the nation. Come along as we explore the patterns, examine passenger flows, and identify the crucial routes that shape the domestic aviation scene in the United States of America this year.

Topping the charts in 2023 is the Honolulu (HNL) to Kahului (OGG) route, claiming the title of the busiest domestic route with an impressive 3.6 million seats. Just trailing closely behind is the Atlanta (ATL) to Orlando (MCO) route, securing second place with 3.5 million seats, a mere 3% difference.

Las Vegas (LAS) to Los Angeles (LAX) and New York (JFK) to Los Angeles (LAX) claim the third and fourth spots, respectively, with 3.5 million and 3.2 million seats.

Further reshaping the domestic flight landscape are three newcomers to the top 10, absent from the 2019 rankings: Honolulu (HNL) to Kahului (OGG) in 1st place, Denver (DEN) to Las Vegas (LAS) in 5th place, and Denver (DEN) to Phoenix (PHX) in 8th place.

In a surprising turn of events, the once-crowned champion route, Los Angeles (LAX) to San Francisco (SFO), which held the top spot in 2019, now finds itself in 6th place for 2023, experiencing a 33% decrease in capacity compared to its 2019 levels, flights to miami highlighting the dynamic shifts in air travel patterns over the years.