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An S7 Airlines Boeing 767-300ER landing.

Air travel is a form of travel using an airplane.

The comfort experienced when traveling by air depends on several factors starting with the airport, the choice of the airline and the travel class.

Travel class on an airplane is usually split into a two, three or four class model. US Domestic flights usually have two classes: Economy Class and a Domestic First Class partitioned into cabins. International flights may have up to four classes: Economy Class, Premium Economy, Business Class or Club Class and First Class.

The differences between premium economy and economy are quite significant, but the cost is not greatly altered by purchasing a Premium Economy ticket. The price difference between an economy class ticket and a first class ticket, however, are often extreme.

Most air travel starts and ends at a commercial airport. The typical procedure is check-in, border control, airport security baggage and passenger check before entering the gate, boarding, flying and pick-up of luggage and - limited to international flights - another border control at the host country's border.

[edit] See also

• Air safety
• Commercial aviation
• Punctuality
• Travel document
• Aviation and the environment

[edit] External links

Wikimedia Commons has media related to: Air travel

• Chasing the Sun - History of commercial aviation, from PBS

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