Question : How does Westchester County to London stack up against the rest of the world in overall promptness?
Answer : HPN to LTN 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 London on time.
Question : What are the chances this flight will be delayed?
Answer : Flights from HPN to LTN are on time 33% of the time, ranking in the 27th percentile worldwide. If a flight is delayed, expect an average of about half an hour added to your flight time.