Historical Flight Data

Hi ! I have the question i was subscribe as Enterprise Subscriber for using API , it’s mean i have Historical Flight Data = 8 Month , how i get information same like this flightaware.com/live/flight/DAL2 … /KDTW/KATL form the API , cause i have the List of Operations like below:
AircraftType
AirlineFlightInfo
AirlineFlightSchedules
AirlineInfo
AirlineInsight
AirportInfo
AllAirlines
AllAirports
Arrived
BlockIdentCheck
CountAirportOperations
CountAllEnrouteAirlineOperations
DecodeFlightRoute
DecodeRoute
DeleteAlert
Departed
Enroute
FleetArrived
FleetScheduled
FlightInfo
FlightInfoEx
GetAlerts
GetFlightID
GetHistoricalTrack
GetLastTrack
InboundFlightInfo
InFlightInfo
LatLongsToDistance
LatLongsToHeading
MapFlight
MapFlightEx
Metar
MetarEx
NTaf
RegisterAlertEndpoint
RoutesBetweenAirports
RoutesBetweenAirportsEx
Scheduled
Search
SearchBirdseyeInFlight
SearchBirdseyePositions
SearchCount
SetAlert
SetMaximumResultSize
Taf
TailOwner
ZipcodeInfo

The FlightXML API is intended for realtime or near-realtime applications and only supports a few days of history (varies by method). The extended history available for our enterprise subscribers only applies to the website. Please contact customer service for historical flight data.