diff --git a/DAS/results.py b/DAS/results.py
index 7134ff2..76d96d1 100644
--- a/DAS/results.py
+++ b/DAS/results.py
@@ -1,6 +1,7 @@
 #!/bin/python3
 
 import os
+import bisect
 from xml.dom import minidom
 from dicttoxml import dicttoxml
 
@@ -20,10 +21,11 @@ class Result:
         """It populates part of the result data inside a vector."""
         self.shape = shape
         self.missingVector = missingVector
-        missingSamples = missingVector[-1]
-        if missingSamples == 0:
+        v = self.metrics["progress"]["validators ready"]
+        tta = bisect.bisect(v, config.successCondition)
+        if v[-1] >= config.successCondition:
             self.blockAvailable = 1
-            self.tta = len(missingVector) * (config.stepDuration)
+            self.tta = tta * (config.stepDuration)
         else:
             self.blockAvailable = 0
             self.tta = -1
diff --git a/config_example.py b/config_example.py
index 39a0591..7263ca1 100644
--- a/config_example.py
+++ b/config_example.py
@@ -76,6 +76,9 @@ randomSeed = "DAS"
 # Number of steps without progress to stop simulation
 steps4StopCondition = 7
 
+# Number of validators ready to asume block is available
+successCondition = 0.9
+
 # If True, print diagnostics when the block is not available
 diagnostics = False