Strike First // Shutterstock

- Passengers: 3,548 (1.5% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 3,548

#5. Los Angeles International (Los Angeles, CA)

randy andy // Shutterstock

- Passengers: 12,564 (5.3% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 12,564

#4. Harry Reid International (Las Vegas, NV)

Nate Hovee // Shutterstock

- Passengers: 49,854 (20.9% of all passengers)
- Top carriers:
--- #1. SkyWest Airlines: 24,227
--- #2. Envoy Air: 18,815
--- #3. Mesa Airlines: 6,812

#3. Phoenix Sky Harbor International (Phoenix, AZ)

Canva

- Passengers: 63,583 (26.7% of all passengers)
- Top carriers:
--- #1. Envoy Air: 52,487
--- #2. Mesa Airlines: 7,733
--- #3. SkyWest Airlines: 3,363

#2. Dallas/Fort Worth International (Dallas/Fort Worth, TX)

Andrew Zarivny // Shutterstock

- Passengers: 105,896 (44.4% of all passengers)
- Top carriers:
--- #1. United Air Lines: 39,253
--- #2. SkyWest Airlines: 36,025
--- #3. CommuteAir LLC dba CommuteAir: 20,768

This story features data reporting by Rob Powell, writing by Jaimie Etkin, and is part of a series utilizing data automation across 199 metros.

#1. Denver International (Denver, CO)