Where airline did not breach implied term of contract by failing to keep on hand sufficient de-icer to avoid cancellation of flight.The 7th U.S. Circuit Court of Appeals affirmed a decision by Judge Sara L. Ellis, Northern District of Illinois. Brian Hughes bought a Southwest Airlines ticket to fly him from Phoenix to Chicago in February 2018. Shortly before his scheduled boarding time, Southwest cancelled the flight and informed Hughes that it might be several days before it could reschedule him. Hughes asserted that …