answers: southwest airlines airplane maintenance
questions: which airline is currently experiencing delayed flights? why are there delays at the airport?
paragraph: A select number of aircraft have been removed from service for maintenance checks, resulting in minimal delays. More: Southwest Airlines (@SouthwestAir) February 25, 2015
questions_answers: question: which airline is currently experiencing delayed flights?, answer: southwest airlines | question: why are there delays at the airport?, answer: airplane maintenance