Miami International Airport in the context of "Frontier Airlines"

Miami-Dade County (/maɪˈæmi ˈdeɪd/), known simply as Dade County prior to 1997, is a county located in the southeastern part of the U.S. state of Florida. The county had a population of 2,701,767 as of the 2020 census, making it the most populous county in Florida and the seventh-most-populous county in the United States. It is Florida's third largest county by land area with 1,946 square miles (5,040 km). The county seat is Miami, the core of the nation's sixth-largest and world's 65th-largest metropolitan area with a 2020 population of 6.138 million people, exceeding the population of 31 of the nation's 50 states as of 2022.

As of 2022, Miami-Dade County has a gross domestic product of $184.5 billion, making the county's GDP the largest for any county in the State of Florida and the 14th-largest for the nation's 3,033 counties. The county is home to the Port of Miami on Biscayne Bay, the world's largest passenger port with a world record 5.5 million passengers in 2018, and Miami International Airport, the third largest U.S. airport for international passengers and largest U.S. airport for international cargo. The county's land area of nearly 2,000 square miles (5,200 km) exceeds that of two U.S. states, Delaware and Rhode Island. The county is home to several universities and colleges, including Florida International University, one of the largest public universities in the country, and the University of Miami in Coral Gables, a private research university that is routinely ranked as one of the nation's top universities and is the county's second-largest employer with nearly 17,000 employees as of 2021.

Doral is a city in Miami-Dade County, Florida, United States. One of 34 municipalities in the county, it is a principal city in the Miami metropolitan area that is located 5 miles (8 km) west of Miami International Airport and 13 miles (21 km) west of Downtown Miami. Doral occupies 15 square miles (39 km) bordered on the west by the Ronald Reagan Turnpike and the Florida Everglades, on the north by the town of Medley, on the east by the Palmetto Expressway and on the south by the Dolphin Expressway and the city of Sweetwater. The city is part of the Miami metropolitan area of South Florida. As of the 2020 census, Doral had a population of 75,874, up from 45,704 in 2010.

Doral has operated under the mayor-council-manager form of government since incorporation. Policymaking and legislative authority are vested in a governing council consisting of the mayor and four other councilmembers. The council, which is elected at large, is responsible for passing ordinances and resolutions, adopting the annual budget, and appointing the city manager, city clerk and city attorney. The city manager is responsible for carrying out the council's policies and ordinances, overseeing the government's daily operations, and appointing the heads of various departments.

Eastern Air Lines (also colloquially known as Eastern) was a trunk carrier, a scheduled airline in the United States that operated from 1926 to 1991. Before its dissolution, it was headquartered at Miami International Airport in an unincorporated area of Miami-Dade County, Florida.

Eastern was one of the "Big Four" domestic airlines created by the Spoils Conferences of 1930, and was headed in its early years by World War I flying ace Eddie Rickenbacker. It had a near monopoly in air travel between New York and Florida from the 1930s until the 1950s and dominated this market for decades afterward.

National Airlines was a trunk carrier, a scheduled airline in the United States that operated from 1934 until it merged with Pan Am in 1980. For most of its existence the company was headquartered at Miami International Airport, Florida. At its height, National Airlines had a network of "Coast-to-Coast-to-Coast" flights, linking Florida and Gulf Coast destinations such as New Orleans and Houston with cities along the East Coast as far north as Boston as well as with large cities on the West Coast including Los Angeles, San Francisco and Seattle. From 1970 to 1978, National, Braniff International Airways, Pan American World Airways (Pan Am) and Trans World Airlines (TWA) were the only U.S. airlines permitted to operate scheduled passenger flights to Europe.

FedEx Express is an American cargo airline based in Memphis, Tennessee, United States. As of 2023, it was the world's largest cargo airline in terms of fleet size and freight tons flown. It is the namesake and leading subsidiary of FedEx Corporation, delivering freight and packages to more than 375 destinations over 220 countries and territories across six continents each day.

The company's global "Super Hub" is located at Memphis International Airport. In the United States, FedEx Express has a national hub at Indianapolis International Airport, and regional hubs at airports in Anchorage, Fort Worth, Greensboro, Miami, Newark, Oakland and Ontario. International regional hubs are located at airports in Cologne/Bonn, Dubai, Bengaluru, Delhi, Guangzhou, Liege, Milan, Mumbai, Osaka, Paris, Seoul, Shanghai, Singapore, Taipei, Tokyo, and Toronto.