51.   Also, three other major airlines are nearing the end of contract negotiations with employees that also could result in strikes.

52.   Alliances with major airlines would overcome restrictions imposed by bilateral air accords, he said.

53.   Both Delta and Continental, the first major airlines to post results this quarter, also lost the benefit of a year-earlier strike at rival Northwest Airlines.

54.   Buoyed by improving financial results, TWA had recently begun to upgrading its fleet, the oldest among major U.S. airlines.

55.   Breaking ranks with other major airlines, Trans World Airlines Tuesday agreed to rescind a limit on travel agent commissions at least through September.

56.   But a return trip to Florida proved difficult at first as major airlines refused to carry the hatchlings as passengers.

57.   But according to USDA records, every major airline has been fined for repeated violations of the Animal Welfare Act.

58.   But after years of prodding by the families of crash victims, federal officials and seven major U.S. airlines took the first steps last week toward speeding up notification.

59.   But because America West ranks so poorly among major airlines in on-time performance, its passengers especially suffer.

60.   But as major airlines tried to compete against the new cut-rate carriers, they lost too much money and finally had to stop serving those routes.