StacieStauffSmith Photos // Shutterstock

- Passengers: 7,101 (1.1% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 7,101

#16. Myrtle Beach International (Myrtle Beach, SC)

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- Passengers: 8,205 (1.3% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 8,205

#15. Fort Lauderdale-Hollywood International (Fort Lauderdale, FL)

lunamarina // Shutterstock

- Passengers: 12,448 (1.9% of all passengers)
- Top carriers:
--- #1. Piedmont Airlines: 12,448

#14. Logan International (Boston, MA)

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- Passengers: 14,144 (2.2% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 14,144

#13. Nashville International (Nashville, TN)

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- Passengers: 15,861 (2.5% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 15,861

#12. Sarasota/Bradenton International (Sarasota/Bradenton, FL)

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- Passengers: 17,152 (2.7% of all passengers)
- Top carriers:
--- #1. Frontier Airlines: 17,098

#11. Orlando International (Orlando, FL)

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- Passengers: 18,902 (2.9% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 18,902

#10. Punta Gorda Airport (Punta Gorda, FL)

Canva

- Passengers: 22,023 (3.4% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 22,023

#9. St Pete Clearwater International (St. Petersburg, FL)

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- Passengers: 26,066 (4.0% of all passengers)
- Top carriers:
--- #1. SkyWest Airlines: 21,662
--- #2. Endeavor Air: 4,404

#8. Detroit Metro Wayne County (Detroit, MI)

Canva

- Passengers: 31,167 (4.8% of all passengers)
- Top carriers:
--- #1. Republic Airline: 21,311
--- #2. GoJet Airlines LLC d/b/a United Express: 9,649
--- #3. Swift Air, LLC d/b/a Eastern Air Lines d/b/a Eastern: 204

#7. Newark Liberty International (Newark, NJ)

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- Passengers: 39,722 (6.1% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 39,551
--- #2. Global Crossing Airlines: 171

#6. Orlando Sanford International (Sanford, FL)

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- Passengers: 42,330 (6.5% of all passengers)
- Top carriers:
--- #1. American Airlines: 42,311

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

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- Passengers: 54,236 (8.4% of all passengers)
- Top carriers:
--- #1. Piedmont Airlines: 52,895
--- #2. Air Wisconsin Airlines Corp: 1,341

#4. Philadelphia International (Philadelphia, PA)

Canva

- Passengers: 95,817 (14.8% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 80,727
--- #2. Endeavor Air: 9,205
--- #3. SkyWest Airlines: 5,885

#3. Hartsfield-Jackson Atlanta International (Atlanta, GA)

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- Passengers: 105,321 (16.3% of all passengers)
- Top carriers:
--- #1. United Air Lines: 48,115
--- #2. Republic Airline: 14,228
--- #3. Air Wisconsin Airlines Corp: 11,802

#2. Chicago O'Hare International (Chicago, IL)

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- Passengers: 128,956 (19.9% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 60,171
--- #2. American Airlines: 59,142
--- #3. Piedmont Airlines: 9,567

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. Charlotte Douglas International (Charlotte, NC)