Houston's George Bush Intercontinental Airport ranks No. 1 in the country, according to a new survey out from Business Travel Magazine.

The magazine published its 2013 Leading Image Awards this week. Readers ranked Houston's largest airport tops, followed by Ronald Reagan National Airport in Washington D.C. London's Heathrow Airport topped the list on the international side.

With more than 700 daily departures and 40.1 million passengers that passed through its gates in 2011, Bush Intercontinental is the largest airport in Houston.

All five terminals are connected by an automated people-mover and underground train. WI-FI internet, retail stores, and more than 50 food and beverage outlets ensure a pleasant visit. Visitor information centers, a currency exchange booth, as well as ADA amenities are also available.

Airlines serving Bush Intercontinental Airport are AeroMexico, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta Air Lines, Emirates, KLM, Lufthansa, Qatar Aiways, Singapore Airlines, TACA, United Airlines, US Airways, and VivaAerobus.