diff --git a/aman/sys/aco/RunwayManager.py b/aman/sys/aco/RunwayManager.py
index 84fc3c6..0aeeb11 100644
--- a/aman/sys/aco/RunwayManager.py
+++ b/aman/sys/aco/RunwayManager.py
@@ -128,7 +128,8 @@ class RunwayManager:
 
         if 0 == len(availableRunways):
             runway = self.Configuration.RunwayConstraints.ActiveArrivalRunways[0]
-            return runway, self.calculateEarliestArrivalTime(runway.Runway.Name, node, earliestArrivalTime)
+            eta, delta = self.calculateEarliestArrivalTime(runway.Runway.Name, node, earliestArrivalTime)
+            return runway, eta, delta
 
         # start with the beginning
         selectedRunway = None