Most common domestic destinations from Buffalo Niagara International Airport
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- Passengers: 20,562 (0.9% of all passengers)
- Top carriers:
--- #1. Frontier Airlines: 11,049
--- #2. Southwest Airlines: 9,310
--- #3. United Air Lines: 159
- Top carriers:
--- #1. Frontier Airlines: 11,049
--- #2. Southwest Airlines: 9,310
--- #3. United Air Lines: 159
#20. Harry Reid International (Las Vegas, NV)

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- Passengers: 22,172 (1.0% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 16,075
--- #2. Sun Country Airlines d/b/a MN Airlines: 5,964
--- #3. JetBlue Airways: 121
- Top carriers:
--- #1. Delta Air Lines: 16,075
--- #2. Sun Country Airlines d/b/a MN Airlines: 5,964
--- #3. JetBlue Airways: 121
#19. Minneapolis-St Paul International (Minneapolis, MN)

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- Passengers: 44,749 (2.0% of all passengers)
- Top carriers:
--- #1. Piedmont Airlines: 26,768
--- #2. PSA Airlines: 13,221
--- #3. Republic Airline: 4,570
- Top carriers:
--- #1. Piedmont Airlines: 26,768
--- #2. PSA Airlines: 13,221
--- #3. Republic Airline: 4,570
#18. Philadelphia International (Philadelphia, PA)

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- Passengers: 50,535 (2.3% of all passengers)
- Top carriers:
--- #1. Southwest Airlines: 29,555
--- #2. Frontier Airlines: 20,935
- Top carriers:
--- #1. Southwest Airlines: 29,555
--- #2. Frontier Airlines: 20,935
#17. Denver International (Denver, CO)

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- Passengers: 50,618 (2.3% of all passengers)
- Top carriers:
--- #1. Mesa Airlines: 21,476
--- #2. CommuteAir LLC dba CommuteAir: 15,803
--- #3. Air Wisconsin Airlines Corp: 6,815
- Top carriers:
--- #1. Mesa Airlines: 21,476
--- #2. CommuteAir LLC dba CommuteAir: 15,803
--- #3. Air Wisconsin Airlines Corp: 6,815
#16. Washington Dulles International (Washington, DC)

Orhan Cam // Shutterstock
- Passengers: 54,722 (2.5% of all passengers)
- Top carriers:
--- #1. PSA Airlines: 35,149
--- #2. Republic Airline: 17,290
--- #3. Envoy Air: 1,947
- Top carriers:
--- #1. PSA Airlines: 35,149
--- #2. Republic Airline: 17,290
--- #3. Envoy Air: 1,947
#15. Ronald Reagan Washington National (Washington, DC)

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- Passengers: 60,732 (2.8% of all passengers)
- Top carriers:
--- #1. American Airlines: 60,732
- Top carriers:
--- #1. American Airlines: 60,732
#14. Dallas/Fort Worth International (Dallas/Fort Worth, TX)

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- Passengers: 71,410 (3.3% of all passengers)
- Top carriers:
--- #1. JetBlue Airways: 38,907
--- #2. Frontier Airlines: 17,469
--- #3. Southwest Airlines: 14,626
- Top carriers:
--- #1. JetBlue Airways: 38,907
--- #2. Frontier Airlines: 17,469
--- #3. Southwest Airlines: 14,626
#13. Fort Lauderdale-Hollywood International (Fort Lauderdale, FL)

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- Passengers: 79,609 (3.6% of all passengers)
- Top carriers:
--- #1. JetBlue Airways: 66,895
--- #2. Delta Air Lines: 11,996
--- #3. Republic Airline: 343
- Top carriers:
--- #1. JetBlue Airways: 66,895
--- #2. Delta Air Lines: 11,996
--- #3. Republic Airline: 343
#12. Logan International (Boston, MA)
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- Passengers: 94,464 (4.3% of all passengers)
- Top carriers:
--- #1. Republic Airline: 45,443
--- #2. United Air Lines: 40,584
--- #3. GoJet Airlines LLC d/b/a United Express: 6,943
- Top carriers:
--- #1. Republic Airline: 45,443
--- #2. United Air Lines: 40,584
--- #3. GoJet Airlines LLC d/b/a United Express: 6,943
#11. Newark Liberty International (Newark, NJ)

AevanStock // Shutterstock
- Passengers: 102,794 (4.7% of all passengers)
- Top carriers:
--- #1. Southwest Airlines: 65,229
--- #2. Frontier Airlines: 37,325
--- #3. JetBlue Airways: 143
- Top carriers:
--- #1. Southwest Airlines: 65,229
--- #2. Frontier Airlines: 37,325
--- #3. JetBlue Airways: 143
#10. Tampa International (Tampa, FL)

Thiago Leite // Shutterstock
- Passengers: 104,872 (4.8% of all passengers)
- Top carriers:
--- #1. Endeavor Air: 60,553
--- #2. Republic Airline: 44,313
- Top carriers:
--- #1. Endeavor Air: 60,553
--- #2. Republic Airline: 44,313
#9. LaGuardia (New York, NY)

Vladimir Mucibabic // Shutterstock
- Passengers: 113,175 (5.2% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 94,477
--- #2. Endeavor Air: 10,830
--- #3. SkyWest Airlines: 7,766
- Top carriers:
--- #1. Delta Air Lines: 94,477
--- #2. Endeavor Air: 10,830
--- #3. SkyWest Airlines: 7,766
#8. Detroit Metro Wayne County (Detroit, MI)

marchello74 // Shutterstock
- Passengers: 120,926 (5.5% of all passengers)
- Top carriers:
--- #1. Southwest Airlines: 120,793
- Top carriers:
--- #1. Southwest Airlines: 120,793
#7. Chicago Midway International (Chicago, IL)

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- Passengers: 140,501 (6.4% of all passengers)
- Top carriers:
--- #1. American Airlines: 140,048
--- #2. PSA Airlines: 453
- Top carriers:
--- #1. American Airlines: 140,048
--- #2. PSA Airlines: 453
#6. Charlotte Douglas International (Charlotte, NC)

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- Passengers: 169,477 (7.7% of all passengers)
- Top carriers:
--- #1. United Air Lines: 86,936
--- #2. Envoy Air: 24,593
--- #3. Republic Airline: 18,244
- Top carriers:
--- #1. United Air Lines: 86,936
--- #2. Envoy Air: 24,593
--- #3. Republic Airline: 18,244
#5. Chicago O'Hare International (Chicago, IL)

Canva
- Passengers: 181,005 (8.3% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 167,244
--- #2. Frontier Airlines: 12,695
--- #3. Southwest Airlines: 1,066
- Top carriers:
--- #1. Delta Air Lines: 167,244
--- #2. Frontier Airlines: 12,695
--- #3. Southwest Airlines: 1,066
#4. Hartsfield-Jackson Atlanta International (Atlanta, GA)

Songquan Deng // Shutterstock
- Passengers: 205,407 (9.4% of all passengers)
- Top carriers:
--- #1. Southwest Airlines: 95,907
--- #2. Frontier Airlines: 68,423
--- #3. JetBlue Airways: 40,849
- Top carriers:
--- #1. Southwest Airlines: 95,907
--- #2. Frontier Airlines: 68,423
--- #3. JetBlue Airways: 40,849
#3. Orlando International (Orlando, FL)

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- Passengers: 207,775 (9.5% of all passengers)
- Top carriers:
--- #1. Southwest Airlines: 207,636
--- #2. Delta Air Lines: 139
- Top carriers:
--- #1. Southwest Airlines: 207,636
--- #2. Delta Air Lines: 139
#2. Baltimore/Washington International Thurgood Marshall (Baltimore, MD)

Thiago Leite // Shutterstock
- Passengers: 235,023 (10.7% of all passengers)
- Top carriers:
--- #1. JetBlue Airways: 144,006
--- #2. Endeavor Air: 76,428
--- #3. Delta Air Lines: 13,173
- Top carriers:
--- #1. JetBlue Airways: 144,006
--- #2. Endeavor Air: 76,428
--- #3. Delta Air Lines: 13,173
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. John F. Kennedy International (New York, NY)
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