In June, American Airlines was forced to cancel 7,500 flights because of severe weather, mechanical issues, and the grounding of Boeing 737 Max planes. Together, these cancelations made up 4% of the airline’s entire schedule of flights that month—and likely annoyed a hell of a lot of travelers with other arrangements…
Source: LifeHacker – How to Get a Refund on a Hotel After Your Flight Is Canceled or Delayed