Nearly 13,000 air traffic controllers have been working without pay for weeks, resulting in high levels of fatigue and stress among staff tasked with keeping the skies safe.

PHOENIX (AZFamily) — Delays are being reported at Phoenix Sky Harbor Airport due to low staffing levels. The Federal Aviation Administration (FAA) reported a delay of around an hour due to staffing at Sky Harbor on Tuesday morning. As of 7:20 a.m., the airport reported 82 delayed flights.

Austin-Bergstrom International Airport faces its fifth ground delay due to FAA staffing shortages amid the government shutdown.

Operations were back to normal Monday at San Diego International Airport, a day after tower staffing issues linked to the federal government shutdown caused widespread delays, airport officials said.

While the ongoing government shutdown has impacted staffing operations at many major airports across the United States, including in Boston, the delays and cancellations at Logan are related to the wind, a Massport spokesperson told Boston 25 News.

The Boise Airport is organizing a community food drive to help federal employees and airport staff impacted by the shutdown and SNAP food benefits delays.

For the second consecutive day, flights into Austin-Bergstrom International Airport are likely to experience widespread delays due to air traffic control staffing shortages as controllers at the airport continue to work without pay.

Overall, the airport saw over 120 flights cancelled on Sunday, with some delays spilling over into JFK International Airport and LaGuardia Airport.