Thousands of flights delayed or canceled this holiday weekend, glitch may cause 12,000 American...

What a mess! A computer glitch has caused an estimated 12,000 American Airlines flights to not have pilots in the month of July. There have also been thousands of delays or cancellations for this Fourth of July travel weekend.

Newsweek reported, "On Friday, American Airlines alone had to delay nearly 1,000 flights, with the industry overall suffering over 1,100 cancellations and nearly 11,000 delays. The issue leveled off somewhat on Saturday, with only around 3,000 flights being canceled."

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