About: http://webisa.webdatacommons.org/450720653

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I am not sure if this is the case of these numbers.... but often, causes such as congestion, ATC and ramp delays, and weather are not factored in controllable OTP.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net