A United Airlines flight on its way to Chicago was forced to make an emergency landing in Missouri Sunday after a passenger said there was a bomb in his wife’s luggage, according to reports and authorities. United Flight 380 from Dallas to Chicago landed in St. Louis on Sunday morning due to a potential security concern, a United Airlines spokesperson said in a statement to The Post. The plane was diverted to St. Louis Lambert International Airport around 8:40 a.m. after a man said there was a