Question : Is this route your best bet for getting to Philadelphia with minimal delays?
Answer : Using the combined on-time percentage and average delay breakdown, Detroit to Philadelphia currently has a 2 out of a possible 5 star rating. A 2-star rating means you should feel rather worried about getting to Philadelphia on time.
Question : What is the likelihood your flight will be delayed for this route?
Answer : Passengers are currently getting to their destination on schedule 50% of the time, which ranks in the 38th percentile worldwide. If a flight is delayed, expect an average of 34 minutes added to your flight time.