Question : How often is the Willow Run Airport (YIP) to Washington Dulles International Airport (IAD) route delayed?
Answer : The Detroit to Dulles route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world. If a flight is delayed, expect an average of 95 minutes added to your flight time.
Question : How does Detroit to Dulles stack up against the rest of the world in overall promptness?
Answer : YIP to IAD currently scores 0 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 0 stars, you should feel rather worried about getting to Dulles on time.