(CNN) — Boeing executives now expect the 737 Max will not be approved to fly until the middle of this year, the company said Tuesday.

“We are informing our customers and suppliers that we are currently estimating that the ungrounding of the 737 MAX will begin during mid-2020,” said a statement.

READ MORE: 2 Injured In Shooting On Dan Ryan Expressway Near 57th Street

Boeing shares were halted Tuesday afternoon, ahead of that release of news. The shares fell 5.5% before the halt.

READ MORE: Jefferson Park Homeowner Creates Visual Magic, With Huge Rotating Christmas Tree Poking Through Roof; 'Go Big, Or Go Home'

This is a developing story.

MORE NEWS: 2 Men Break Into GameStop In Logan Square

The-CNN-Wire™ & © 2020 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.