MINNEAPOLIS (WCCO) – After a day full of headaches for Southwest Airlines passengers, Twin Cities passengers can rest easy.

According to the Minneapolis – St. Paul International Airport’s flight tracker, all Southwest Airlines flights for Monday morning are on time.

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However, Southwest Airlines is continuing to have computer problems.

The airline is warning passengers flying Monday to arrive two hours early and print boarding passes before coming to the airport.

On Sunday about 450 of Southwest’s flights were delayed.

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Because of delays, the staff was having to check-in passengers manually.

The intermittent technical problems affected Southwest’s website, their app, their phone centers and their baggage system.

Southwest has not said what caused the problem or how long it would take to fix.

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They did say there is no indication of hacking.