“Southwest Airlines expects to cancel about 100 flights from its Monday schedule as investigators continue inspecting its fleet, the airline said.

The Texas-based airline grounded 79 planes for inspection after a hole opened on top of a Boeing 737 mid-flight Friday.

It canceled approximately 600 flights to accommodate the inspections: 300 on Saturday and 300 flights on Sunday. “

Source: Southwest to cancel about 100 flights as inspections continue – CNN.com