A woman jumped to her death from a window at the Wellington Hotel in Midtown, police said Monday.

The woman, believed to be in her 40s, slammed into a second-floor landing in the rear of the building at Seventh Avenue near West 55th Street around 7 a.m. cops said.

The woman was pronounced dead at the scene. It is not immediately clear what floor she jumped from, but the incident is being investigated as a suicide, cops said.