JetBlue and Delta Increase Seats and Flights CheapOair Staff November 29, 2010 Videos Airlines are adding seats and flights as the optimistic travel outlook the industry has had for a good portion of the year continues. In November, the 10 largest U.S. airlines scheduled 2.7% more seats for passengers than the year before. Nine out of 10 airlines added seats by expanding the number of flights or moving to bigger planes. JetBlue lead the pack with an increase of 7.6% while Delta Air Lines added 5%. With good signs of improvement in the economy, travel demand, especially from the corporate sector is on the rise. Source: USA TODAY