Question : How often are flights late from Willow Run Airport (YIP) to Greenville-Spartanburg International Airport (GSP)?
Answer : The Detroit to Greenville route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world.
Question : In terms of overall promptness, how does YIP to GSP rank compared to the rest of the world?
Answer : Using the combined on-time percentage and average delay breakdown, Detroit to Greenville currently has a 0 out of a possible 5 star rating. A 0-star rating means you should feel rather worried about getting to Greenville on time.