diff --git a/Analyze.py b/Analyze.py
index 3f07dbf..a4ce6d2 100644
--- a/Analyze.py
+++ b/Analyze.py
@@ -14,7 +14,7 @@ def compute_avg_delay(data):
     """
     Compute the average delay for each route
     """
-    return data.groupby('Route').mean().reset_index()
+    return data.groupby('Route')['Min Delay'].mean().reset_index()
 
 
 def main():