The correct option is A Bad weather causes a greater number of departure delays at Mayville Airport than at Newcomb Airport.
It's A because, the passage says if we neglect weather, then Mayville has lesser delays. As the question is comparing the two airports, so by careful examination we can say that by not considering the climatic conditions Mayville Airport has less number of delays than Newcomb Airport. So climatic conditions make more delays in Mayville Airport than Newcomb Airport.