With so many protracted flight delays making headlines in recent days and weeks (most notably a 33-hour delay on WestJet), it’s perhaps a good time to be sure that passengers fully understand their rights and remedies when stuck in such a situation. Per a recent study from AirHelp, more than 90 percent of U.S. passengers do not know their rights. “The airline industry is failing passengers,” AirHelp CEO Henrik Zillmer told TravelPulse. “It’s clear that air passengers still feel powerless against airlines.”