The Federal Aviation Administration temporarily banned U.S.-based airlines from flying to Haiti after Spirit and JetBlue aircraft were hit by gunfire while attempting to land at P

"Southwest Airlines Flight 2494 was set to depart for Indianapolis when a bullet apparently struck the right side of the plane, just below the flight deck, as the crew was preparing for takeoff," a Southwest spokesperson said in an emailed statement to Reuters.

A Southwest Airlines flight was struck by a bullet while at a Dallas airport last week. Although no injuries were reported, the incident has heightened security concerns.