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- Passengers: 20,321 (12.1% of all passengers)
- Top carriers:
--- #1. SkyWest Airlines: 20,321

#4. Denver International (Denver, CO)

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- Passengers: 21,380 (12.7% of all passengers)
- Top carriers:
--- #1. SkyWest Airlines: 21,380

#3. San Francisco International (San Francisco, CA)

Nate Hovee // Shutterstock

- Passengers: 55,937 (33.2% of all passengers)
- Top carriers:
--- #1. SkyWest Airlines: 23,563
--- #2. Envoy Air: 14,661
--- #3. American Airlines: 10,741

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

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- Passengers: 70,296 (41.8% of all passengers)
- Top carriers:
--- #1. American Airlines: 68,714
--- #2. Envoy Air: 902
--- #3. Mesa Airlines: 659

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