MSNBC reporting the plane is on the ground, the passengers are being taken off the plane.
The threat was phoned in from a payphone in the Chicago area.
"Around 3:40 p.m. Friday, City Aviation Department spokesman Monique Bond confirmed that the plane had turned back.
The flight reportedly took off at 3:05 p.m. and landed back at Midway at 3:45 p.m. Ed Stewart, a Southwest Airlines spokesman said at 4 p.m. that the
125 passengers had deplaned and were preparing to board another flight. " www.nbc5.com...