Nearly 5,000 flights have been canceled Monday (as of this writing) according to

More than 3,100 flights within, into or out of the United States were cancelled.

Missourinet checked and airports from St. Louis to Kansas City and Columbia to Springfield experienced cancellations and delays.

Jet at airport (photo by Missourinet’s Ashley Byrd)

Weather and omicron-related staffing issues are to blame, according to the airlines.