Aviation and Aerospace Industry

O'Hare is Chicago's primary international airport and has historically been one of the world's busiest airports. It serves as the main aviation hub for the Midwest United States. New York uses JFK and Newark, Atlanta has Hartsfield-Jackson, and Las Vegas has McCarran (now Harry Reid).

McCarran International Airport (now officially Harry Reid International Airport) serves Las Vegas, Nevada as its primary airport. It's the main gateway for travelers to this famous entertainment destination. New York has JFK, Chicago has O'Hare, and Atlanta has Hartsfield-Jackson.

George Bush Intercontinental Airport (IAH) is Houston's primary international airport and serves as a major hub for United Airlines. It's the largest airport in Texas and a key gateway to the southern United States. New York has JFK, Denver has its own international airport, and Chicago uses O'Hare.

Don Muang International Airport is Bangkok's original international airport and remains one of two major airports serving Thailand's capital. It was Bangkok's primary gateway until Suvarnabhumi opened in 2006. Hong Kong has Chek Lap Kok, Jakarta has Soekarno-Hatta, and Mali is not a major aviation hub.

John F. Kennedy International Airport (JFK) is New York's primary international airport and one of the busiest airports in the world. It serves as the main gateway for transatlantic flights to the United States. San Francisco has SFO, Las Vegas has McCarran (Harry Reid), and Chicago has O'Hare.

Changi International Airport is Singapore's primary airport and is consistently ranked among the world's best airports. It serves as the major aviation hub for Southeast Asia. Hong Kong has Chek Lap Kok, Bangkok has Suvarnabhumi, and Jakarta has Soekarno-Hatta.

Heathrow is London's primary international airport and one of the world's busiest aviation hubs. It serves as the main gateway for the United Kingdom's capital city. Tokyo has Narita and Haneda airports, Paris uses Charles de Gaulle, and Madrid operates Barajas.

LHR is the official IATA airport code for London Heathrow Airport. Airport codes are standardized three-letter designations used globally to identify airports without ambiguity.

CDG is the official IATA airport code for Charles de Gaulle Airport in Paris. The code comes from the airport's name rather than the city name.

AMS is the official IATA airport code for Schiphol Airport in Amsterdam. The code derives from the city name rather than the airport name.

ORD is the official IATA airport code for O'Hare International Airport in Chicago. The code comes from the airport's original name 'Orchard Field'.

LAS is the official IATA airport code for McCarran International Airport in Las Vegas. The code derives from the city name.

MAD is the official IATA airport code for Barajas International Airport in Madrid. The code comes from the city name rather than the airport name.

IAH is the official IATA airport code for George Bush Intercontinental Airport in Houston. The code comes from 'International Airport Houston'.

BKK is the official IATA airport code for Don Muang International Airport in Bangkok. The code derives from the city name.