Perhaps my headline sounds very cliche but I've never been more serious in my life.We were flying out of Kansas City heading to Nashville. We boarded the plane and then it was announced that we were short a flight attendent and that we'd be delayed for "15 min". BS! We sat on the runway for 2 hours! Obviously the airline was not properly prepared for the flight and instead of being truthful to us they continued to lie about how long it was going to be til we took off. At one point we were told that a flight attendant had showed up (the whole plane exploded into applause) only to be told 5 min...