A list released on Thursday by the FAA showed that the Detroit Metro Airport was among 40 major airports impacted by air traffic reductions.

Transportation officials announce flight cuts at major airports. See how it will affect MLB, your Thanksgiving travel plans.

The potential delay comes just two days after Houston’s William P. Hobby Airport issued a ground stop Tuesday afternoon for the same reason. That ground stop lasted until 6 p.m., while a ground delay continued until 9 p.m., according to Houston Airports.

Some flights out of Philadelphia International Airport are canceled Friday as the Federal Aviation Administration begins reducing flight schedules to ease pressure on unpaid air traffic controllers during the ongoing government shutdown.

The FAA is expected to release an official list of dozens of airports that will be impacted by the directive to reduce flights for safety reasons. Still, on Thursday morning, news outlets began reporting which airports would be affected,

Hundreds of flights were delayed, and dozens canceled Thursday , one day before the government said flight reductions will start at 40 of the country's busiest airports.

If you're planning traveling and flying in or out of Denver International Airport, make sure to keep an eye on your flight time. On Thursday, airlines started canceling flights due to the FAA's order to reduce traffic.

TSA agents are gearing up for some big changes at airports like Logan Airport in Boston, where cancellations are already underway starting Friday.