1.   Along with the wave of mergers came new safety concerns as airlines struggled to integrate different training and safety procedures into a uniform system.

2.   American Airlines canceled all its flights out of Austin Wednesday, while other airlines struggled with delays.

3.   And as the airlines struggled again Friday to resume operations, passengers were sparse.

4.   Analysts called the agreement a necessary victory at a time when European airlines are struggling to cut costs in the face of growing international competition and falling air fares.

5.   Analysts last week welcomed the conclusion of an agreement, as European airlines struggle to cut costs in the face of growing international competition and falling air fares.

6.   As the airlines struggled Friday to resume operations, passengers were sparse.

7.   At the time, the airline was struggling, but it has since recorded several years of record profits.

8.   All these incidents are part of a pattern that the major airlines are struggling to stop, according to one industry executive who did not want to be identified.

9.   Airlines have been struggling with higher jet-fuel costs for several months.

10.   Airlines struggled to resume normal service over the weekend, businesses began to reopen and the stock markets tested their computers in advance of resumed trading.