The plane was flying from Nashville.
And was a Boeing 737 aircraft built in 1999.
CNN reports three people were hurt on the Southwest flight.
Statement from Southwest Airlines regarding Flight 345:
UPDATE - July 22, 2013, 8 p.m. ET: CNN reports a total of 11 people have injuries from the plane crash.
CORRECTION: An earlier version of this post had how many people were on board the flight. Southwest Airlines released a statement that there were 150 people total on board. (7/23/13)