Southwest Flight Delays At Midway Caused By Paperwork Problems

CHICAGO (CBS) -- A paperwork mistake caused delays for travelers on Southwest Airlines Wednesday.

Southwest halted flights at Midway International Airport while the issue was fixed. The airline blames a spreadsheet error that occurred during a system update.

It caused problems with aircraft weight and balance data.

Southwest said it was only a paperwork issue, and not a flight safety issue.

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In:
• Midway International Airport
• Southwest Airlines