diff --git a/tpmcqr_service/api/utils.py b/tpmcqr_service/api/utils.py
index 18a7728..55c09f1 100644
--- a/tpmcqr_service/api/utils.py
+++ b/tpmcqr_service/api/utils.py
@@ -65,7 +65,7 @@ def calcula_distancias_parada(redis_id, parada_id):
 
 def estima_llegada(parada_distance, expedicion):
     ts = int(time.time())
-    data_keys = ['trip_traveled', 'ppu', 'trip_lat', 'trip_lng', 'trip_pos', 'ts']
+    data_keys = ['trip_traveled', 'ppu', 'trip_lat', 'trip_lon', 'trip_pos', 'ts']
     trip_info = dict(zip(data_keys, expedicion))
     trip_info['drift'] = int(trip_info['ts']) - ts
     trip_info['trip_distance'] = parada_distance - int(trip_info['trip_traveled'])
@@ -89,7 +89,7 @@ def estima_llegada(parada_distance, expedicion):
     elif estimator > 0: #
         trip_info['trip_estimator'] = 'En parada'
     else: #
-        salida = math.ceil(estimator/60)
+        salida = math.ceil(-estimator/60)
         trip_info['trip_estimator'] = 'Hace {} minutos'.format(salida)
 
     return trip_info