OAG - The Official Airline Guide 
Independent provider of travel information products and services, offering business travelers, corporations and the global travel industry information to make effective travel planning decisions.
http://www.oag.com/FlightArrivals.com
Independent arrival, departure, delay and cancellation information for all commercial flights across the U.S. and Canada.
http://www.flightarrivals.com
Airwise
News and information source for airlines, airports and air travel. Also includes discussion boards.
http://www.airwise.com/
Instone Air Services
A specialist in the air transport of animals worldwide.
http://www.instoneusa.com
ITA Software
Plan air travel with an advanced shopping tool displaying a summary of all flight travel options. Cannot purchase tickets online at this time. North America flights only.
http://www.itasoftware.com/
The Budget Traveller's Guide to Sleeping in Airports
Reviews including the best and worst around the world. Tips for sleeping comfortably and safely while grounded, articles, news and other strange places to sleep.
http://www.sleepinginairports.net/
HowStuffWorks: How Airport Security Works
Illustrated tour of the current technology used in airport security.
http://www.howstuffworks.com/airport-security.htm
IAPA - International Airline Passengers Association
Offers hotel discounts, car rental savings, flight reservations, travel insurance, airport VIP lounge access, airline safety representation and luggage protection.
http://www.iapa.com
AirlinesAndAirportLinks.com
Database of links to airlines and airports around the world.
http://www.airlineandairportlinks.com/
Bel Air Travel
Offers Canadian low-fare flight reservations.
http://www.belairtravel.ca
