Flight cancellations take a toll on airline revenue
Airlines are still tallying up the damage from this winter's storms, but solid demand for travel means they are likely to weather the rocky start to 2014 in good shape.
The biggest four U.S. airlines have canceled nearly 75,000 since January 1.
Still, Delta's president is predicting a record profit in the first quarter, and American and Southwest are reporting healthy increases in a key revenue figure.
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