A shortage of air traffic controllers caused more flight disruptions Monday around the country as controllers braced for their first full missing paycheck during the federal government shutdown.

The Federal Aviation Administration reported staffing-related delays on Monday afternoon averaging about 20 minutes at the airport in Dallas and about 40 minutes at both Newark Liberty International Airport and Austin-Bergstrom International Airport. The delays in Austin followed a brief ground stop at the airport, meaning flights were held at their originating airports until the FAA lifted the stop around 4:15 p.m. local time.

The FAA also warned of staffing issues at a facility in Jacksonville, Florida, that could cause some problems.

Just last week, U.S. Transportation Secretary Sean Duffy ha

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