Question : How often are flights late from Boeing Field International Airport (BFI) to Calgary International Airport (YYC)?
Answer : The Seattle to Calgary route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world.
Question : Is this route your best bet for getting to Calgary with minimal delays?
Answer : BFI to YYC 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 Calgary on time.