Question : How often are flights late from Spirit of St. Louis Airport (SUS) to Baltimore/Wash International Thurgood Marshall Airport (BWI)?
Answer : The Saint Louis to Baltimore route has been excellent at getting passengers to their destination on time, with a 100% on-time rate.
Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, Saint Louis to Baltimore currently has a 4 out of a possible 5 star rating. A 4-star rating means you should feel at ease about getting to Baltimore on time.