By CBS3 Staff

PHILADELPHIA (CBS) — If you are traveling out of Philadelphia International Airport Monday, be sure to check your flight status as winter weather is moving through the region. The Philadelphia International Airport reports 90 cancellations and 172 delays as of Monday afternoon.

The airport is managing both bad weather and COVID staffing shortages.

READ MORE: Social Media Photo Of Student With BB Gun Led To Academy Park High School Lockdown, Delaware County DA Says

The slowdown is impacting flights both into and out of the airport.

Meanwhile, the Atlantic City Airport is closed until at least 9 p.m. Monday.

READ MORE: Hacker Stole Jefferson Health Patients' Billing Information In November Data Breach

On Sunday, more than 2,700 flights were canceled nationwide and more than 9,000 were delayed.

Chicago’s O’Hare Airport was the most impacted Sunday with more than 500 flights canceled or delayed — that was almost half of those scheduled.

MORE NEWS: Philadelphia Postponing COVID-19 Vaccine Mandate For City Workers Again

Some airlines are preemptively canceling flights over the next two weeks to ease the pressure.