Hartsfield–Jackson Atlanta International Airport is the largest airport in the world by passenger traffic, handling over 110 million passengers in 2019.

American Airlines is the largest airline in the world by revenue, generating over $45 billion in revenue in 2019.

Singapore Airlines Flight 21 is the longest flight in the world, covering a distance of 9,534 miles between Singapore and New York City.

The United States has the most international airports, with over 400 airports that offer international flights.

France is the most popular international tourist destination, with over 90 million visitors in 2019.

Star Alliance is the largest airline alliance in the world, with 26 member airlines.

The Boeing 737 is the most common type of aircraft used for international air travel, with over 15,000 aircraft in service.

The maximum altitude that a commercial airliner can fly is 45,000 feet.

The average speed of a commercial airliner is 550 mph.

The most expensive airline ticket in the world is a first-class ticket on the Singapore Airlines Flight 21, which costs over $40,000.

The London-New York air route is the most popular international air route, with over 20 million passengers flying between the two cities each year.

Dubai International Airport is the busiest international airport in the world, handling over 86 million international passengers in 2019.

KLM Royal Dutch Airlines is the oldest airline in the world, founded in 1919.

The most common type of passport used for international travel is the ordinary passport, which is issued to ordinary citizens for personal travel.

The maximum amount of luggage that a passenger can check in on an international flight is 23 kilograms.