(KSDK) -- Southwest flight 1544 left Seattle Saturday morning at 11:44 Pacific time, bound for Lambert-St. Louis International Airport.
A few hours into the flight, the pilot reported a loss of cabin pressure. The emergency oxygen masks deployed, and the plane was diverted to Omaha.
Once the plane landed, nine passengers received minor medical attention. No one was transported to the hospital.
Passengers were put on a different Southwest plane. The flight is expected to arrive in St. Louis at 9:15 Saturday.