11.   Both airlines are trying to close plane doors five minutes before the scheduled departure time.

12.   -- He suspended payments to major lenders as the airline tries to restructure payment schedules on debt and aircraft leases.

13.   A spokesman for American, John Hotard, said the airline was trying to reach the supervisor to determine what he said.

14.   Airlines are trying to distance themselves from allegations that they have removed passengers because of their ethnic origin.

15.   Airlines are trying to lower their costs so they can profitably offer the low fares that business and leisure travelers demand.

16.   Airlines have repeatedly tried in recent years to develop simpler fare structures.

17.   Airlines try to crack down on such sales.

18.   Airlines will try to sell or lease some of their aircraft, Wang said.

19.   Airlines are trying to cut the costs of maintenance and pilot training by buying their entire fleets from one manufacturer.

20.   Airlines have tried to quietly boost such fares no fewer than six times dating back to the spring, according to analyst Sam Buttrick of PaineWebber.