diff --git a/aman/types/Inbound.py b/aman/types/Inbound.py
index dd24f65..ff236fc 100644
--- a/aman/types/Inbound.py
+++ b/aman/types/Inbound.py
@@ -66,14 +66,15 @@ class Inbound:
                 # the closer we get to the IAF the less time delta can be achieved by short cuts, delay vectors or speeds
                 ratio = min(2.0, max(0.0, self.Report.distanceToIAF / (trackmiles - self.Report.distanceToIAF)))
                 possibleTimeDelta = (trackmiles / (avgSpeed * 0.9)) * 60
-                timeDelta = timedelta(minutes = (possibleTimeDelta - flightTime.total_seconds() / 60) * ratio)
+                ttg = timedelta(minutes = (possibleTimeDelta - flightTime.total_seconds() / 60) * ratio)
+                ttl = timedelta(minutes = (possibleTimeDelta - flightTime.total_seconds() / 60))
                 ita = self.ReportTime + flightTime
-                earliest = ita - timeDelta
-                latest = ita + timeDelta
+                earliest = ita - ttg
+                latest = ita + ttl
 
-                self.ArrivalCandidates[identifier.Runway.Name] = ArrivalData(ttg = timeDelta, star = star, ita = ita, earliest = earliest,
+                self.ArrivalCandidates[identifier.Runway.Name] = ArrivalData(ttg = ttg, star = star, ita = ita, earliest = earliest,
                                                                              entry = flightTimeUntilIaf, touchdown = flightTime,
-                                                                             ttl = timeDelta, latest = latest, route = arrivalRoute, trackmiles = trackmiles)
+                                                                             ttl = ttl, latest = latest, route = arrivalRoute, trackmiles = trackmiles)
 
         # calculate the first values for later plannings
         for candidate in self.ArrivalCandidates: