diff --git a/src/execution.py b/src/execution.py
index 6b77e4d..a52cb36 100644
--- a/src/execution.py
+++ b/src/execution.py
@@ -14,33 +14,41 @@ def file_list(path):
 
 
 def create_dataframes():
-    greedy = DataFrame(columns=["dataset", "distancia", "desviacion"])
-    local = DataFrame(columns=["dataset", "distancia", "desviacion"])
+    greedy = DataFrame()
+    local = DataFrame()
     return greedy, local
 
 
 def process_output(results):
     distances = []
+    time = []
     for element in results:
         for line in element:
             if line.startswith(bytes("Total distance:", encoding="utf-8")):
                 line_elements = line.split(sep=bytes(":", encoding="utf-8"))
                 distances.append(float(line_elements[1]))
-    return distances
+            if line.startswith(bytes("Execution time:", encoding="utf-8")):
+                line_elements = line.split(sep=bytes(":", encoding="utf-8"))
+                time.append(float(line_elements[1]))
+    return distances, time
 
 
 def populate_dataframes(greedy, local, greedy_list, local_list, dataset):
-    greedy_results = process_output(greedy_list)
-    local_results = process_output(local_list)
+    greedy_distances, greedy_time = process_output(greedy_list)
+    local_distances, local_time = process_output(local_list)
     greedy_dict = {
         "dataset": dataset.removeprefix("data/"),
-        "distancia": mean(greedy_results),
-        "desviacion": std(greedy_results),
+        "media distancia": mean(greedy_distances),
+        "desviacion distancia": std(greedy_distances),
+        "media tiempo": mean(greedy_time),
+        "desviacion tiempo": std(greedy_time),
     }
     local_dict = {
         "dataset": dataset.removeprefix("data/"),
-        "distancia": mean(local_results),
-        "desviacion": std(local_results),
+        "media distancia": mean(local_distances),
+        "desviacion distancia": std(local_distances),
+        "media tiempo": mean(local_time),
+        "desviacion tiempo": std(local_time),
     }
     greedy = greedy.append(greedy_dict, ignore_index=True)
     local = local.append(local_dict, ignore_index=True)
@@ -76,13 +84,17 @@ def export_results(greedy, local):
         worksheet = writer.sheets[name]
         for index, column in enumerate(df):
             series = df[column]
-            max_length = series.astype(str).str.len().max()
+            max_length = max(series.astype(str).str.len().max(), len(str(series.name)))
             worksheet.set_column(index, index, width=max_length + 5)
     writer.save()
 
 
-if __name__ == "__main__":
+def main():
     datasets = file_list(path="data/*.txt")
     greedy, local = create_dataframes()
     populated_greedy, populated_local = script_execution(datasets, greedy, local)
     export_results(populated_greedy, populated_local)
+
+
+if __name__ == "__main__":
+    main()