The New York Times Agency Photos
BIZ TRAVEL CORPORATE
(NYT59) BALTIMORE, Md. -- Feb. 25, 2008 -- BIZ-TRAVEL-CORPORATE -- Business passengers boarding a Southwest flight at Baltimore-Washington International Airport in Baltimore on Feb. 11, 2008. Southwest Airlines and JetBlue Airways have been moving aggressively to capture a bigger share of the lucrative business travel market. (Marty Katz/The New York Times)