Question : What's the likelihood of you being delayed on this route?
Answer : PMO to VIE currently scores 1 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 1 star, you should feel rather worried about getting to Vienna on time.
Question : What are the chances this flight will be delayed?
Answer : This particular route gets passengers to Vienna International Airport on time 67% of the time, which puts it in the bottom 25% of the world. When there is a delay, it averages less than half an hour.