There are as many as 20341 airports in USA, out of these 5221 are for public use and only 565 are certified airports.
Check this official link for detail info:
http://www.bts.gov/publications/national_transportation_statistics/html/table_01_03.html
How many Municipal Airports in USA
There were over 19700 total, 503 for commercial, reliever airports having 269, general airports with 2,560, and the remainder being cargo service or those with a variety of services making up about 3600 and private airports filling out the remainder.
BreezeNet offers an online rental car guide with major USA airports listed and some international ones; their website is www.bnm.com
Airports for Beginners - 2003 was released on: Germany: February 2003 USA: June 2003
USA and on second number china
Most Extreme Airports - 2010 TV was released on: USA: 20 July 2010 Australia: 28 October 2010
About seven hours. Youre probably wondering about an apple product :D
Rules for excess luggage at airports in the USA vary between different airlines. For example, some airports may completely forbid excess luggage, while others may be more lenient if you pay an extra fee.
That is impossible to tell. In which country? At which time? Look at the number of patents in the USA and guess that have the number shows the number of inventors.
Alaska Airlines has three major airport hubs at Seattle-Tacoma International, Ted Stevens Anchorage International, and Portland International. On Alaska Airlines, you can fly directly to airports in the USA, Canada, and some in Mexico.
Modern Marvels - 1994 International Airports II 7-14 was released on: USA: 14 May 2001
66% Total Gas & Power USA, SAS 34% various mutual funds and institutions