diff --git a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindow.java b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindow.java
index 7ded1e0b..3fac5c43 100644
--- a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindow.java
+++ b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindow.java
@@ -75,6 +75,10 @@ public class TimeWindow {
         return end;
     }
 
+    public boolean larger(TimeWindow timeWindow) {
+        return (this.getEnd() - this.getStart()) > (timeWindow.getEnd() - timeWindow.getStart());
+    }
+
     @Override
     public String toString() {
         return "[start=" + start + "][end=" + end + "]";