Question : What are the chances this flight will be delayed?
Answer : The Washington to Seattle route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world. When there is a delay, it averages about half an hour.
Question : Is this route your best bet for getting to Seattle with minimal delays?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. DCA to BFI currently has 0 stars out of 5, earning it one of the lower scores in the world.