Exasperated Canadian air safety officials on Thursday told passengers "to leave their water pistols and toy guns at home" because they were triggering big delays at airport security.

US Airways on Friday said it made a loss in the second quarter compared with a year-earlier profit as record fuel prices outweighed cost-cutting efforts.

Japan Airlines said on Friday its quarterly operating loss widened due to weak domestic demand and high fuel prices, but it kept its forecast for a 7 percent rise in full-year profit.

Spanish airline Iberia said first-half profits had halved, dragged lower by high fuel costs, but its shares rose on Friday thanks to a generous return of cash to investors announced late on Thursday.