In Pictures: The10 Most Connected US Airports

Some of the airports that feature on this list of the most connected US airports also make it to the busiest international airports in the world for 2024. Some of the longest non-stop flights and the longest one-stop flights are also conducted from a number of US airports that make it to this list. Let’s now have a the ten most connected US airports.

[ Note: The rankings were based on the data from OAG, a global air traffic data provider. The data was available when the writer last checked the website on 15th February.]

10.Boston Edward L Logan International Airport

*Aerial view of the tenth most connected airport in the US – BOS Airport*
*Photo: Konstantin von Wedelstaedt |Wikimedia Commons*

Airport	Boston Edward L Logan International Airport (BOS)
Country	USA
Dominant Carrier	Delta Air Lines (DL)

*Delta Aircraft taxing at BOS Intl Airport*
*Photo: G B_NZ | Wikimedia Commons*

Rank in 2023	16
Destinations	90
Connections	6,911
Share of Flights	29%

Delta AirLines_Boeing_767
Photo: Aero Icarus| Wikimedia Commons

Let’s have a look at the fleet of the dominant carrier operating in BOS:

Aircraft	Number of aircraft	Avg.age
Airbus A220	74	4.1 Years
Airbus A319	57	23.0 Years
Airbus A320	55	29.0 Years
Airbus A321	196	4.6 Years
Airbus A330	74	10.9 Years
Airbus A350 XWB	35	5.2 Years
Boeing 717	80	23.4 Years
Boeing 737	240	13.7 Years

Delta Aircraft landing at BOS airport
Photo:G B_NZ | Wikimedia C0mmons

Let’s take a look at some of the domestic routes from the tenth-most connected airport in the US- Boston Airport :

BOS to Ronald Reagan Washington National Airport (DCA)
BOS to La Guardia Airport (LGA)
BOS to Chicago O Hare International Airport (ORD)
BOS to Miami International Airport(MIA)
BOS to Dallas Fort Worth International (DFW)

Delta Aircraft at MIA airport
Photo: Charles Via Wikimedia Commons

Let’s look at some of the international routes from BOS:

BOS to Zayed International Airport (AUH)
BOS to Barcelona El Prat Josep Tarradellas Airport (BCN)
BOS to Frankfurt Airport (FRA)
BOS to Francisco Sá Carneiro Airport (OPO)
BOS to Billy Bishop Toronto City Airport (YTZ)

9.Houston George Bush Intercont Airport(IAH)

Aerial View of IAH airport
Photo: Formulanone | Wikimedia Commons

Airport	Houston George Bush Intercontinental Airport (IAH)
Country	USA
Dominant Carrier	United Airlines(UA)

United Airlines at IAH Airport
Photo: baopsman | Wikimedia Commons

Rank in 2023	10
Destinations	139
Connections	10,801
Share of Flights	79%

United Airlines Boeing 787-8Dreamliner on taxiway
Photo: Oliver Holzbauer | Wikimedia Commons

Let’s have a look at the fleet of the dominant carrier operating in IAH:

Aircraft Type	Current	Avg. Age
Airbus A319	81	23.3 Years
Airbus A320	78	25.5 Years
Boeing 737	529	12.3 Years
Boeing 757	61	26.2 Years
Boeing 767	53	27.3 Years
Boeing 777	96	21.5 Years
Boeing 787 Dreamliner	76	6.9 Years

United airways aircraft Awaiting_Departure
Photo: Peter Rood | Wikimedia Commons

Let’s take a look at some of the more popular domestic routes from IAH Airport:

IAH to Chicago O Hare International Airport(ORD)
IAH to Hartsfield–Jackson Atlanta International Airport(ATL)
IAH to Denver International Airport(DEN)
IAH to Phoenix Sky Harbor International Airport(PHX)
IAH to San Francisco International (SFO)

United_Airlines_Boeing_787 landing
Photo: Oliver Holzbauer | Wikimedia Commons

let’s look at some of the more popular international routes from IAH:

IAH to Ottawa International Airport (YOW)
IAH to Incheon International Airport (ICN)
IAH to Paris Charles de Gaulle Airport (CDG)
IAH to Leonardo da Vinci- Fiumicino Airport (FCO)
IAH to Vienna International Airport (VIE)

8.Detroit Metropolitan Wayne County Airport

*Aerial View of Detroit Metropolitan Airport*
*Photo: formulanone | Wikimedia Commons*

Airport	Detroit Metropolitan Wayne County (DTW)
Country	USA
Dominant Carrier	Delta Air Lines (DL)

*Delta Airlines taxing at DTW airport*
*Photo: formulanone | Wikimedia Commons*

Rank in 2023	10
Destinations	309
Connections	60,662
Share of Flights	60%

*Detroit Metropolitan Wayne County Airport*
*Photo: qwesy qwesy | Wikimedia Commons*

Let’s have look of attraction and Amenities of the DTW airport :

Attraction	Water Feature LED Tunnel
Service and Amenities	DTW Dogs Pet Therapy Program Nine nursing rooms. Reflection Rooms

Delta Airlines Approaching
Photo: RHL Images | Wikimedia Commons

Let’s take a look at some of the domestic routes from DTW airport :

DTW to Charlotte Douglas International Airport (CLT)
DTW to Boston Logan International Airport(BOS)
DTW to Nashville International Airport (BNA)
DTW to Phoenix Sky Harbor International Airport(PHX)
DTW to Gerald R Ford International Airport(GRR)

Delta Air Parking
Photo: formulanone | Wikimedia Commons

let’s look at some of the International Routes from DTW, some of them are :

DTW to Zurich International Airport(ZRH)
DTW to Vienna International Airport (VIE)
DTW to London Heathrow International Airport (LHR)
DTW to Athens International Airport(ATH)
DTW to Barajas International Airport(MAD)

7. Los Angeles International Airport

*Los Angeles International Airport*
*Photo: Don Ramey Logan | Wikimedia Commons*

Airport	Los Angeles International Airport(LAX)
Country	USA
Dominant Carrier	Delta Air Lines

*Delta air waiting for passengers*
*Photo: Mertbiol | Wikimedia Commons*

Rank in 2023	7
Destinations	121
Connections	9,781
Share of Flights	24%

Interior of Restaurant at los Angeles airport
Photo: Sam Howzit | Wikimedia Commons

Delta Airlines Airbus_A-220 landing
Photo: Bill Abbott | Wikimedia Commons

Let’s take a look at some of the domestic routes from losAngeles airport:

LAX to Orlando International Airport(MCO)
LAX to Ronald Reagan Washington National Airport (DCA)
LAX to Baltimore Washington International (BWI)
LAX to Tampa International Airport(TPA)
LAX to Saint Louis Airport (STL)

Various Delta aircraft tails
Photo: formulanone | Wikimedia Commons

let’s look at some of the International Routes from LAX some of are :

LAX to Charles De Gaulle International Airport (CDG)
LAX to El Prat International Airport(BCN)
LAX to Dublin International Airport(DUB)
LAX to Munich International Airport(MCU)
LAX to Hamad International Airport(DOH)

6.Seattle-Tacoma International Apt(SEA)

Aerial view of the sixth-most connected US airport- SEA
Photo: Timo Breidenstein | Wikimedia Commons

Airport	Seattle-Tacoma International Airport(SEA)
Country	USA
Dominant Carrier	Alaska Airlines

*Alaska Airlines – the most dominant carrier at SEA*
*Photo: Adam Moreira | Wikimedia Commons*

Rank in 2023	6
Destinations	96
Connections	13,132
Share of Flights	58%

Alaska Airlines at SEA Airport
Photo: Frank Kovalchek | Wikimedia Commons

Aircraft	Number of aircraft	age
Boeing 737-700	14	24.7 Years
Boeing 737-800	61	16.9 Years
Boeing 737-900	6	23.3 Years
Boeing 737-900ER	79	9.1 Years
Boeing 737 MAX 8	5	0.8 Years
Boeing 737 MAX 9	7	2.6 years
Embraer ERJ-175	86	6.0years

Alaska Airlines with fish livery
Photo: Kentaro Iemoto | Wikimedia Commons

Let’s take a look at some of the domestic routes from SEA some of are:

SEA to sky Harbor International Airport(PHX)
SEA to Portland International Airport (PDX)
SEA to Denver InternationalAirport(DEN)
SEA to Dallas Fort Worth International Airport (DFW)
SEA to John Wayne Arpt Orange Airport(SNA)

Alaska Airport SEA airport
Photo: DearEdward | Wikimedia Commons

Let’s take a look at some of the International routes from SEA some of are:

SEA to Cancun International Airport(CUN)
SEA to Los Cabos International Airport(SJD)
SEA to Licenciado Gustavo Diaz Ordaz International Airport(PVR)
SEA to São Paulo/Guarulhos International Airport(GRU)
SEA to Hong Kong International Airport,(HKG)

5. Denver International Airport(DEN)

*Areal view of DEN airport*
*Photo: ashleyniblock | Wikimedia Commons*

Airport	Denver International Airport(DEN)
Country	USA
Dominant Carrier	United Airlines

*United Airlines Arriving at LAX form DEN airport*
*Photo: JerandSar Gimbel | Wikimedia Commons*

Rank in 2023	3
Destinations	202
Connections	40,369
Share of Flights	50%

*United Aircraft landing at airport*
*Photo: Ra Boe | Wikimedia Commons*

Passenger Services and Amenities	Child Play Area Free Nursing and Changing Rooms Pet Relief Locations
Facts	Denver International Airport is the biggest in the USA. All in all, the airport covers 52.4 square miles, No other airport in the world has quite as much art on its walls as Denver International.

United Airlines at taxing at LAS airport.
Photo: Noah Wulf | Wikimedia Commons

Let’s take a look at some of the domestic routes from DEN airport some of are :

DEN to Harry Reid International Airport (LAS)
DEN to City Of Colorado Springs Muni International Airport (COS)
DEN to Tucson International Airport(TUS)
DEN to Aspen Pitkin County Sardy Field International Airport(ASE)
DEN to Charlotte Douglas International Airport (CLT)

United airlines at one of its international route
photo: MarcelX42 | Wikimedia Commons

Let’s take a look at some of the domestic routes from DEN airport some of are :

DEN to Pearson International Airport(YYZ)
DEN to Frankfurt International Airport (FRA)
DEN to Schiphol International Airport (AMS)
DEN to Luis Munoz Marin International Airport(SJU)
DEN to Brussels International Airport (BRU)

4. Charlotte Douglas International Airport

Aerial view CLT runway
Photo: United States Geological Survey | Wikimedia Commons

Airport	Charlotte Douglas International Airport CLT
Country	USA
Dominant Carrier	American Airlines(AA)

The dominant carrier at CLT – American Airlines
Photo: formulanone | Wikimedia

Rank in 2023	5
Destinations	147
Connections	32,079
Share of Flights	87%

American Airlines landing
Photo: Aero Pixels | Wikimedia Commons

Let’s have a look at the fleet of the dominant carrier operating at the most connected airport in the US American Airline(AA):

Aircraft	Number of aircraft	Avg. age
Airbus A319	133	20.9 Years
Airbus A320	48	23.9 Years
Airbus A321	301	10.2 Years
Boeing 737	372	13.2 Years
Boeing 777	67	20.3 Years
Boeing 787 Dreamliner	59	7.0 Years

American Airlines planes at New York one of its domastic
Photo: Christophe95 | Wikimedia Commons

Let’s take a look at some of the domestic routes from CLT airport some of are:

CLT to Fort Lauderdale Hollywood International Airport(FLL)
CLT to Tampa International Airport(TPA)
CLT to Greenville-Spartanburg International Airport(GSP)
CLT to Phoenix Sky Harbor International Airport(PHX)
CLT to Richmond International Airport (RIC)

American Airlines at CDG on of the International route from CLT
Photo: Aldo Bidini | Wikimedia Commons

Let’s take a look at some of the domestic routes from CLT airport some of are :

- - CLT to Charles De Gaulle International Airport(CDG)
  - CLT to Hamad International Airport(DOH)
  - CLT to Haneda International Airport(HND)
  - CLT to Milan Malpensa International Airport(MXP)
  - CLT to Helsinki International Airport(HEL)

3.Dallas Dallas/Fort Worth International Airport

Fort Worth International Airport Aerial view
Photo: formulanone | Wikimedia Commons

Airport	Dallas/Fort Worth International Airport
Country	USA
Dominant Carrier	American Airlines (AA)

American Airlines at DFW airport
Photo: Quintin Soloviev| Wikimedia Commons

Rank in 2023	4
Destinations	196
Connections	48,292
Share of Flights	85%

*American Airlines 757-223 lands as American Airlines 777 is taxing out at DFW airport*
*Photo: Grant Wickes | Wikimedia Commons*

Passenger Services and Amenities	Pet Relief and Pet Care
Facts	DFW is the largest carbon-neutral airport in the world It is the home and the largest hub for American Airlines

*Vertical stabilizer of a Boeing 787-9 Dreamliner, operated by American Airlines,*
*Photo: Radomianin| Wikimedia Commons*

Let’s take a look at some of the domestic routes from DFW airport some of are:

DFW to George Bush Intcntl Houston International (IAH)
DFW to Seattle Tacoma International Airport (SEA)
DFW to Detroit Metropolitan International Airport(DTW)
DFW to Minneapolis St Paul International Airport (MSP)
DFW to Adams Fld International Airport(LIT)

*Boeing-767American Airlines*
*Photo: Riik@mctr | Wikimedia Commons*

Let’s take a look at some of the domestic routes from DFW airport some of are:

DFW to Edinburgh International Airport (EDI)
DFW to Lisbon International Airport (LIS)
DFW to Luis Munoz Marin International Airport (SJU)
DFW to Zurich International Airport (ZRH)
DFW to Hong Kong International Airport (HKG)

1. Atlanta Hartsfield-Jackson International Airport(ATL)

*Atlanta Hartsfield Airport*
*Photo: Craig Butz | Wikimedia Commons*

Airport	Atlanta Hartsfield-Jackson International Airport(ATL)
Country	USA
Dominant Carrier	Delta Air Lines

*Delta Air Lines B727 at ATL airport*
*Photo: G B_NZ | Wikimedia Commons*

Rank in 2023	2
Destinations	162
Connections	49,213
Share of Flights	75%

*Delta Air Lines getting ready for take off at ATL airport*
*Photo: Charles | Wikimedia Commons*

Passenger Services and Amenities
Facts	The airport has been the busiest in the world for 21 consecutive years The airport was originally a race track

*Delta Airlines A330 taking off*
*Photo: Alecstatic | Wikimedia Commons*

Let’s take a look at some of the domestic routes from ATL airport some of are:

ATL to Denver International Airport(DEN)
ATL to Austin-Bergstrom International Airport (AUS)
ATL to Palm Beach International Airport(PBI)
ATL to Southwest Florida International Airport(RSW)
ATL to Columbia Metropolitan International Airport(CAE)

*Boeing 737-900 Delta Airlines*
*Photo: Mertbiol | Wikimedia Commons*

Let’s take a look at some of the domestic routes from ATL airport some of are :

ATL to Mexico City International Airport (MEX)
ATL to Pierre Elliott Trudeau International (YUL)
ATL to Manchester Airport (MAN)
ATL to Ben Gurion International Airport (TLV)
ATL to Stockholm Arlanda Airport (ARN)

1. Chicago O’Hare International Airport

O’Hare International Airport Aerial View
Photo: National Aeronautics and Space Administration

Airport	Chicago O’Hare International Airport(ORD)
Country	USA
Dominant Carrier	United Airlines(UA)

United Airlines flight to the most connected US airport – Chicago O’Hare International Airport
Photo: Rene Hernandez | Wikimedia Commons

Rank in 2023	1
Destinations	205
Connections	62,354
Share of Flights	49%

Chicago International Airport Terminal C
Photo: Thank You (25 Millions ) views | Wikimedia Commons

Passenger Services and Amenities	Airport Art, O’Hare International Airport’s Terminal 5 will begin to see an extraordinary new public art collection as several works by more than 20 Chicago artists finish installation. Yoga Room
Facts	The airport spans over 30 km² and covers 7,200 acres. Operating a total of 585 flights a day, it is the largest in terms of the number of daily flights.

Boeing 737-800 United Airlines parking
Photo: Rene Hernandez | Wikimedia Commons

Let’s take a look at some of the domestic routes from ORD airport some of are:

ORD to La Guardia International Airport (LGA)
ORD to Hector International Airport(FAR)
ORD to Bradley International Airport(BDL)
ORD to Lexington International Airport (LEX)
ORD to Aspen Pitkin County Sardy Field International Airport(ASE)

United Airlines landing
Photo: M J Richardson | Wikimedia Commons

Let’s take a look at some of the domestic routes from ORD airport some of are :

ORD to Charles De Gaulle International Airport (CDG)
ORD to Frankfurt International Airport(FRA)
ORD to Pierre Elliott Trudeau International Airport(YUL)
ORD to Zurich International Airport(ZRH)
ORD to Athens International Airport(ATH)