diff --git a/java/com/android/dialer/logging/LoggingBindings.java b/java/com/android/dialer/logging/LoggingBindings.java
index ca9a053..7682c76 100644
--- a/java/com/android/dialer/logging/LoggingBindings.java
+++ b/java/com/android/dialer/logging/LoggingBindings.java
@@ -20,6 +20,13 @@
 /** Allows the container application to gather analytics. */
 public interface LoggingBindings {
 
+  String ON_CREATE_PRIMES_EVENT_NAME = "Application.onCreate";
+  String ON_CREATE_TO_ACTIVITY_ON_CREATE_PRIMES_EVENT_NAME =
+      "Application.onCreate_To_GoogleDialtactsActivity.onCreate";
+  String ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_INCOMING =
+      "CallList.onCallAdded_To_InCallActivity.onCreate_Incoming";
+  String ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_OUTGOING =
+      "CallList.onCallAdded_To_InCallActivity.onCreate_Outgoing";
   /**
    * Logs an DialerImpression event that's not associated with a specific call.
    *
@@ -87,4 +94,10 @@
 
   /** Logs successful People Api lookup result */
   void logSuccessfulPeopleApiLookupReport(long latency, int httpResponseCode);
+
+  /** Log start a latency timer */
+  void logStartLatencyTimer(String timerEventName);
+
+  /** Log end a latency timer */
+  void logStopLatencyTimer(String timerEventName);
 }
diff --git a/java/com/android/dialer/logging/LoggingBindingsStub.java b/java/com/android/dialer/logging/LoggingBindingsStub.java
index 2dbcc3f..ab6872c 100644
--- a/java/com/android/dialer/logging/LoggingBindingsStub.java
+++ b/java/com/android/dialer/logging/LoggingBindingsStub.java
@@ -61,4 +61,10 @@
 
   @Override
   public void logSuccessfulPeopleApiLookupReport(long latency, int httpResponseCode) {}
+
+  @Override
+  public void logStartLatencyTimer(String timerEventName) {}
+
+  @Override
+  public void logStopLatencyTimer(String timerEventName) {}
 }
diff --git a/java/com/android/incallui/InCallActivity.java b/java/com/android/incallui/InCallActivity.java
index c3a68c0..c509e48 100644
--- a/java/com/android/incallui/InCallActivity.java
+++ b/java/com/android/incallui/InCallActivity.java
@@ -40,6 +40,8 @@
 import com.android.dialer.configprovider.ConfigProviderBindings;
 import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
+import com.android.dialer.logging.LoggingBindings;
+import com.android.dialer.logging.LoggingBindingsFactory;
 import com.android.dialer.logging.ScreenEvent;
 import com.android.incallui.answer.bindings.AnswerBindings;
 import com.android.incallui.answer.protocol.AnswerScreen;
@@ -145,6 +147,14 @@
     pseudoBlackScreenOverlay = findViewById(R.id.psuedo_black_screen_overlay);
     sendBroadcast(CallPendingActivity.getFinishBroadcast());
     Trace.endSection();
+    if (getApplicationContext() instanceof LoggingBindingsFactory) {
+      LoggingBindings loggingBindings =
+          ((LoggingBindingsFactory) getApplicationContext()).newLoggingBindings();
+      loggingBindings.logStopLatencyTimer(
+          LoggingBindings.ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_INCOMING);
+      loggingBindings.logStopLatencyTimer(
+          LoggingBindings.ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_OUTGOING);
+    }
   }
 
   @Override
diff --git a/java/com/android/incallui/call/CallList.java b/java/com/android/incallui/call/CallList.java
index 59f3834..4f1dfd4 100644
--- a/java/com/android/incallui/call/CallList.java
+++ b/java/com/android/incallui/call/CallList.java
@@ -36,6 +36,8 @@
 import com.android.dialer.enrichedcall.EnrichedCallManager;
 import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
+import com.android.dialer.logging.LoggingBindings;
+import com.android.dialer.logging.LoggingBindingsFactory;
 import com.android.dialer.shortcuts.ShortcutUsageReporter;
 import com.android.dialer.spam.Spam;
 import com.android.dialer.spam.SpamBindings;
@@ -117,6 +119,17 @@
   public void onCallAdded(
       final Context context, final android.telecom.Call telecomCall, LatencyReport latencyReport) {
     Trace.beginSection("CallList.onCallAdded");
+    if (context.getApplicationContext() instanceof LoggingBindingsFactory) {
+      if (telecomCall.getState() == Call.STATE_CONNECTING) {
+        ((LoggingBindingsFactory) context.getApplicationContext())
+            .newLoggingBindings()
+            .logStartLatencyTimer(LoggingBindings.ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_OUTGOING);
+      } else if (telecomCall.getState() == Call.STATE_RINGING) {
+        ((LoggingBindingsFactory) context.getApplicationContext())
+            .newLoggingBindings()
+            .logStartLatencyTimer(LoggingBindings.ON_CALL_ADDED_TO_ON_INCALL_UI_SHOWN_INCOMING);
+      }
+    }
     if (mUiListeners != null) {
       mUiListeners.onCallAdded();
     }