Airlines give upbeat view of revenue trends
Three of the biggest U.S. airlines are giving upbeat signals about their business as the peak summer travel season kicks into high gear.
American, United and Southwest indicated that a key revenue figure was higher than in the same period last year, and American also raised its forecast for profit margin in the second quarter.
Shares of airline stocks rose.
Since a series of big mergers that started in 2008, airlines have kept a lid on flights, which helps keeps fares high enough to overcome higher fuel prices. Of the four biggest U.S. airline companies, only United lost money in the first quarter, and analysts expect all of them to be in the black for the April-to-June quarter.
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