ROMULUS, Mich. -- Two Southwest Airlines ( LUV) planes struck each other while leaving adjacent gates at Detroit Metropolitan Airport.Southwest spokesman Chris Mainz says no one was hurt when the planes' winglets collided Saturday morning. Both jets returned to their gates, and all passengers and crew got off. According to Mainz, initial inspections show that neither aircraft sustained substantial damage, but each has been removed from service for further inspection and repair. Southwest says it's accommodating customers on other flights out of Detroit. Flight 3660 was to go from Detroit to Denver and was carrying 85 passengers and five crew members. Flight 2005 was scheduled to take 38 passengers and five crew members from Detroit to St. Louis. The collision first was reported by WXYZ-TV.