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Air travel delays can sometimes seem like the last straw for frustrated passengers. But new software, such as delay-prediction app FlightCaster, combined with some commonsense planning, can help keep air travelers sane and on schedule.

It's been a grueling winter for travelers as airlines cancel flights ahead of possible bad weather. In February, 13,000 flights have been cancelled and 1 million passengers stranded. And even when winter ends, new rules could keep more planes grounded.