Delays are climbing, while the FAA continues to issue warnings over instability among air traffic controllers . Last weekend, the FAA reported staffing shortages that caused delays at several airports. Airports were located in major cities such as Chicago, Dallas, and Newark.

Warnings have been reissued for the upcoming weekend, as delays may intensify at TSA lines for a specific reason.

Additionally, airlines are starting to see added delays. Southwest Airlines hit yet another day of over 1,000 delays. Nonetheless, the airline has kept cool, but did send a cautionary message to its staff .

Here's a closer look at Southwest Airlines' performance on Thursday, and how the other U.S. carriers performed. We'll also preview what the weekend may look like at airports across the United Sta

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