Originally Posted by RemoveB4Flight

The only reason Delta keeps their cancelations so low is they perpetually delay a flight that should be classified as cancelled (delayed 14+ hours to the next day). They will bend over backwards to keep it from being tallied as a cancellation, even if it means inconvenience to the passengers by continuously stringing them along.
When I worked for the regionals, American and United would (typically) cancel appropriately when needed. I had a better chance of getting struck by lightning than Delta canceling a hopeless flight.