National air transport system:
number of registered air carriers: 92 (2015)
[see also: National air transport system - number of registered air carriers country ranks ]
inventory of registered aircraft operated by air carriers: 6,817 (2015)
[see also: National air transport system - inventory of registered aircraft operated by air carriers country ranks ]
annual passenger traffic on registered air carriers: 798.23 million (2015)
[see also: National air transport system - annual passenger traffic on registered air carriers country ranks ]
annual freight traffic on registered air carriers: 37.219 billion mt-km (2015)
[see also: National air transport system - annual freight traffic on registered air carriers country ranks ]

Civil aircraft registration country code prefix:
N (2016)

Airports:
13,513 (2013)
country comparison to the world (CIA rank, may be based on non-current data): 1
[see also: Airports country ranks ]

Airports - with paved runways:
total: 5,054 (2013)
[see also: Airports - with paved runways - total country ranks ]
over 3,047 m: 189 (2013)
[see also: Airports - with paved runways - over 3,047 m country ranks ]
2,438 to 3,047 m: 235 (2013)
[see also: Airports - with paved runways - 2,438 to 3,047 m country ranks ]
1,524 to 2,437 m: 1,478 (2013)
[see also: Airports - with paved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 2,249 (2013)
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]
under 914 m: 903 (2013)
[see also: Airports - with paved runways - under 914 m country ranks ]

Airports - with unpaved runways:
total: 8,459 (2013)
[see also: Airports - with unpaved runways - total country ranks ]
over 3,047 m: 1 (2013)
[see also: Airports - with unpaved runways - over 3,047 m country ranks ]
2,438 to 3,047 m: 6 (2013)
[see also: Airports - with unpaved runways - 2,438 to 3,047 m country ranks ]
1,524 to 2,437 m: 140 (2013)
[see also: Airports - with unpaved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 1,552 (2013)
[see also: Airports - with unpaved runways - 914 to 1,523 m country ranks ]
under 914 m: 6,760 (2013)
[see also: Airports - with unpaved runways country ranks ]

Heliports:
5,287 (2013)
[see also: Heliports country ranks ]

Pipelines:
1,984,321 km natural gas, 240,711 km petroleum products (2013)

Railways:
total: 293,564 km (2014)
[see also: Railways - total country ranks ]
standard gauge: 293,564.2 km 1.435-m gauge (2014)
[see also: Railways - standard gauge country ranks ]
country comparison to the world (CIA rank, may be based on non-current data): 1

Roadways:
total: 6,586,610 km (2012)
[see also: Roadways - total country ranks ]
paved: 4,304,715 km (includes 76,334 km of expressways) (2012)
[see also: Roadways - paved country ranks ]
unpaved: 2,281,895 km (2012)
[see also: Roadways - unpaved country ranks ]
country comparison to the world (CIA rank, may be based on non-current data): 1

Waterways:
41,009 km (19,312 km used for commerce; Saint Lawrence Seaway of 3,769 km, including the Saint Lawrence River of 3,058 km, is shared with Canada) (2012)
country comparison to the world (CIA rank, may be based on non-current data): 5
[see also: Waterways country ranks ]

Merchant marine:
total: 3,692
[see also: Merchant marine - total country ranks ]
by type: bulk carrier 5, container ship 61, general cargo 115, oil tanker 71, other 3440 (2018)
country comparison to the world (CIA rank, may be based on non-current data): 5

Ports and terminals:
oil terminal(s): LOOP terminal, Haymark terminal
container port(s) (TEUs): Charleston (2,177,000), Hampton Roads (2,841,000), Houston (2,459,000), Long Beach (7,544,000), Los Angeles (9,343,000), New York/New Jersey (6,710,000), Oakland (2,420,000), Savannah (4,046,000), Seattle/Tacoma (3,665,000) (2017)
LNG terminal(s) (export): Cameron (LA), Corpus Christi (TX), Cove Point (MD), Elba Island (GA), Freeport (TX), Sabine Pass (LA)
note - two additional export facilities are under construction and expected to begin commercial operations in 2023-2024
LNG terminal(s) (import): Cove Point (MD), Elba Island (GA), Everett (MA), Freeport (TX), Golden Pass (TX), Hackberry (LA), Lake Charles (LA), Neptune (offshore), Northeast Gateway (offshore), Pascagoula (MS), Sabine Pass (TX)
cargo ports: Baton Rouge, Corpus Christi, Hampton Roads, Houston, Long Beach, Los Angeles, New Orleans, New York, Plaquemines (LA), Tampa, Texas City
cruise departure ports (passengers): Miami (2,032,000), Port Everglades (1,277,000), Port Canaveral (1,189,000), Seattle (430,000), Long Beach (415,000) (2009)