And there are no blackout dates here NetJets, Flight Options and Flexjet all guarantee access to a plane 365 days a year, with as little as four hours notice for domestic flights or 48 hours for international trips.

FORBES: How To Get In On The Jet Share Trend

Bob Knebel, vice president of Bombardier Flexjet, which arranges for individuals or companies to purchase shares in business jets at a fraction of full ownership cost, says the sour economy had a much bigger impact than 9-11 on fractional sales.

CNN: Corporate air charters take wing