Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023

By TravelWiseJan 5, 2024 13:40 PMNews
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Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023
Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023. Source: Freepik

Travel data provider OAG recently released the busiest domestic air routes in the United States for 2023. The route between Honolulu's Daniel K. Inouye International Airport and Kahului Airport on Maui, with a flight time of only about 20 minutes, was the busiest in the US this year with 3.6 million available seats.

The route between Atlanta's Hartsfield-Jackson International Airport and Orlando International Airport was the second busiest route in the US in 2023, with approximately 3.5 million seats. Other top destinations include business and tourist centers such as Las Vegas, Denver, San Francisco, and Chicago, as reported by Business Insider Netherland.

Here are the 10 busiest domestic routes in the US for 2023 according to OAG:

10. Los Angeles - Chicago O'Hare

Los Angeles is a bustling center for business travelers.

Number of seats: 2.67 million

Airlines: American, Spirit, and United

9. Atlanta - New York-LGA

Atlanta Airport is within a two-hour flight for 80% of the US population.

Number of seats: 2.71 million

Airlines: Delta, Frontier, JetBlue, Southwest, and Spirit

8. Denver - Phoenix

Denver was not in the top 10 in 2019 but made the list twice in 2023.

Number of seats: 3.04 million

Airlines: American, Frontier, Southwest, and United

7. Atlanta - Fort Lauderdale

Fort Lauderdale is a popular beach destination in Florida. Photo: Art Wager/Getty Images

Number of seats: 3.05 million

Airlines: Delta, Frontier, JetBlue, Southwest, and Spirit

6. Los Angeles - San Francisco

The corridor between Los Angeles and San Francisco is very busy for business travelers.

Number of seats: 3.13 million

Airlines: Alaska, American, Delta, JetBlue, Southwest, and United

5. Denver - Las Vegas

Las Vegas and Denver are year-round tourist destinations.

Number of seats: 3.20 million

Airlines: Frontier, Southwest, and United

Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023
Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023. Source: f11photo/Shutterstock, businessinsider.nl

4. New York - Los Angeles

The flight between New York and Los Angeles is another popular business route.

Number of seats: 3.24 million

Airlines: American, Delta, and JetBlue

3. Las Vegas - Los Angeles

The short flight, which was in high demand, was the hook of a now-canceled TV show called "Los Angeles to Vegas".

Number of seats: 3.50 million

Airlines: American, Alaska, Delta, JetBlue, JSX, Southwest, Spirit, and United

2. Atlanta - Orlando

Orlando attracts millions of people heading to its famous theme parks, Walt Disney World, and Universal Studios. Photo: Handout/Getty Images.

Number of seats: 3.52 million

Airlines: Delta, Frontier, Southwest, and Spirit

Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023
Flights to Hawaii, Orlando, and Las Vegas: the top 10 busiest air routes in the USA in 2023. Source: Photo: Taylor Rains/Insider

1. Honolulu - Kahului

Maui was not one of the top 10 busiest routes in the US in 2019 but rose to the top in 2023.

Number of seats: 3.61 million

Airlines: Hawaiian and Southwest

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