VIDEO: Long lines at ABIA following Southwest Airlines flight cancellations, ACL Weekend 2

AUSTIN, Texas — Long lines were still the talk of the town at Austin-Bergstrom International Airport on Monday.

CBS Austin was there to follow airport traffic delays after Weekend 2 of ACL Music Fest ended - which is usually the second busiest day of the year at ABIA - and the dozens of flight cancellations from Southwest Airlines over the weekend.

RELATED: 80 Southwest Airlines flights canceled Sunday in Austin leaves travelers stranded

Here's a video of the start-to-finish line at a security checkpoint at ABIA, where extra lines are being added and an official estimated wait time is 30-45 minutes, as of midday.

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We will update this story as more information becomes available.