Songquan Deng // Shutterstock

- Passengers: 9,555 (1.7% of all passengers)
- Top carriers:
--- #1. TEM Enterprises dba Avelo Airlines: 9,555

#12. Orlando International (Orlando, FL)

Brittx // Shutterstock

- Passengers: 13,550 (2.4% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 13,550

#11. Orlando Sanford International (Sanford, FL)

Canva

- Passengers: 16,309 (2.8% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 16,309

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

Khairil Azhar Junos // Shutterstock

- Passengers: 16,656 (2.9% of all passengers)
- Top carriers:
--- #1. Allegiant Air: 16,656

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

Andrew J Simcox // Shutterstock

- Passengers: 18,602 (3.2% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 12,860
--- #2. Air Wisconsin Airlines Corp: 4,672
--- #3. Piedmont Airlines: 1,041

#8. Philadelphia International (Philadelphia, PA)

Thiago Leite // Shutterstock

- Passengers: 22,571 (3.9% of all passengers)
- Top carriers:
--- #1. Endeavor Air: 12,115
--- #2. Republic Airline: 10,456

#7. LaGuardia (New York, NY)

Orhan Cam // Shutterstock

- Passengers: 24,885 (4.3% of all passengers)
- Top carriers:
--- #1. Air Wisconsin Airlines Corp: 10,996
--- #2. CommuteAir LLC dba CommuteAir: 8,362
--- #3. GoJet Airlines LLC d/b/a United Express: 5,454

#6. Washington Dulles International (Washington, DC)

Orhan Cam // Shutterstock

- Passengers: 61,212 (10.7% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 58,994
--- #2. Republic Airline: 1,880
--- #3. American Airlines: 338

#5. Ronald Reagan Washington National (Washington, DC)

Canva

- Passengers: 72,346 (12.6% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 40,701
--- #2. Envoy Air: 27,257
--- #3. Mesa Airlines: 4,388

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

Canva

- Passengers: 73,203 (12.8% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 69,628
--- #2. Piedmont Airlines: 2,740
--- #3. Envoy Air: 725

#3. Charlotte Douglas International (Charlotte, NC)

marchello74 // Shutterstock

- Passengers: 115,509 (20.2% of all passengers)
- Top carriers:
--- #1. Air Wisconsin Airlines Corp: 67,658
--- #2. SkyWest Airlines: 31,747
--- #3. Envoy Air: 12,508

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

Canva

- Passengers: 123,801 (21.6% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 111,389
--- #2. Endeavor Air: 12,040
--- #3. SkyWest Airlines: 372

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. Hartsfield-Jackson Atlanta International (Atlanta, GA)