More than 600 flights into and out of LaGuardia were canceled Monday after the fatal crash on runway four, according to information complied by the website FlightAware.

Terminal B was largely empty Monday morning as the airport was under a ground-stop order while federal investigators combed the scene.

Flights began again shortly after 2 p.m., operating on runway 13/31 while investigators continued to examine the wreckage on runway 4/22.

Travelers wait at Terminal B in LaGuardia Airport after flights were canceled on Monday.

Michael M. Santiago/Getty Images

Travelers wait at Terminal B in LaGuardia Airport after flights were canceled on Monday. (Photo by Michael M. Santiago/Getty Images)

Two pilots aboard an Air Canada jet inbound from Montreal died in the crash after the Mitsubishi CRJ-900 they were landing collided with a Port Authority fire truck that had been given clearance to cross the runway.

The airport closure left Gotham with only two major international airports Monday — and unrelated incidents slowed some travel into and out of Newark Airport as well.

The control tower at Newark was evacuated around 7:30 a.m. Monday morning after reports of a “burning smell” from one of the facility’s elevators, an FAA spokesperson told the Daily News. The resulting ground-stop ended after crews returned to the tower an hour later.

NEW YORK, NEW YORK - MARCH 23: A traveler looks at canceled flight schedules on a screen at Terminal B in LaGuardia Airport on March 23, 2026 in New York City. All flights into and out of LaGuardia airport have ben cancelled until 2 P.M. after an Air Canada Express plane flight from Montreal collided with a fire truck on the tarmac killing the pilot and leaving more than forty people injured. (Photo by Michael M. Santiago/Getty Images)

Michael M. Santiago/Getty Images

A traveler looks at canceled flight schedules on a screen at Terminal B in LaGuardia Airport on Monday. (Photo by Michael M. Santiago/Getty Images)

Mild delays persisted at Newark mid-morning after reports of a passenger with a medical emergency arriving at the airport.

Flights into and out of Kennedy Airport remained largely on time.

With Rebecca White