In a message dated 9/21/2003 9:46:45 PM Pacific Daylight Time, mmontano@xxxxxxxxx writes: << I'm guessing it's no coincidence that all of the successful "profitable" airlines are still all established in large O&D markets (JetBlue-JFK, AirTran-ATL, ATA-Chicago, Frontier-Denver and even HP at Phoenix.) >> Well, they non-profitable airlines are also on O&D markets. UA at ORD, DEN and IAD, DL at ATL, US at PHL, AA at DFW, and everyone flys to LAX.