diff --git a/app/app/controllers/cbv/base_controller.rb b/app/app/controllers/cbv/base_controller.rb
index dd79c5c2..44f8bdc9 100644
--- a/app/app/controllers/cbv/base_controller.rb
+++ b/app/app/controllers/cbv/base_controller.rb
@@ -24,7 +24,8 @@ def set_cbv_flow
         timestamp: Time.now.to_i,
         invitation_id: invitation.id,
         cbv_flow_id: @cbv_flow.id,
-        site_id: @cbv_flow.site_id
+        site_id: @cbv_flow.site_id,
+        seconds_since_invitation: (Time.now - invitation.created_at).to_i
       })
 
       if @cbv_flow.pinwheel_accounts.any?
diff --git a/app/app/controllers/cbv/summaries_controller.rb b/app/app/controllers/cbv/summaries_controller.rb
index e31d44c2..f2172a2e 100644
--- a/app/app/controllers/cbv/summaries_controller.rb
+++ b/app/app/controllers/cbv/summaries_controller.rb
@@ -85,7 +85,8 @@ def track_transmitted_event(cbv_flow, payments)
       account_count: payments.map { |p| p[:account_id] }.uniq.count,
       paystub_count: payments.count,
       account_count_with_additional_information:
-        cbv_flow.additional_information.values.count { |info| info["comment"].present? }
+        cbv_flow.additional_information.values.count { |info| info["comment"].present? },
+      flow_started_seconds_ago: (Time.now - cbv_flow.created_at).to_i
     })
   rescue => ex
     Rails.logger.error "Failed to track NewRelic event: #{ex.message}"
diff --git a/app/spec/controllers/cbv/entries_controller_spec.rb b/app/spec/controllers/cbv/entries_controller_spec.rb
index b2496185..939a6684 100644
--- a/app/spec/controllers/cbv/entries_controller_spec.rb
+++ b/app/spec/controllers/cbv/entries_controller_spec.rb
@@ -11,7 +11,18 @@
     end
 
     context "when following a link from a flow invitation" do
-      let(:invitation) { create(:cbv_flow_invitation, case_number: "ABC1234") }
+      let(:seconds_since_invitation) { 300 }
+      let(:invitation) do
+        create(
+          :cbv_flow_invitation,
+          case_number: "ABC1234",
+          created_at: seconds_since_invitation.seconds.ago
+        )
+      end
+
+      around do |ex|
+        Timecop.freeze(&ex)
+      end
 
       it "renders properly" do
         get :show, params: { token: invitation.auth_token }
@@ -32,6 +43,21 @@
         )
       end
 
+      it "sends a NewRelic event with metadata" do
+        allow(NewRelicEventTracker).to receive(:track)
+
+        get :show, params: { token: invitation.auth_token }
+        cbv_flow = CbvFlow.find(session[:cbv_flow_id])
+
+        expect(NewRelicEventTracker).to have_received(:track).with("ClickedCBVInvitationLink", {
+          timestamp: be_a(Integer),
+          invitation_id: invitation.id,
+          cbv_flow_id: cbv_flow.id,
+          site_id: invitation.site_id,
+          seconds_since_invitation: seconds_since_invitation
+        })
+      end
+
       context "when returning to an already-visited flow invitation" do
         let(:existing_cbv_flow) { create(:cbv_flow, cbv_flow_invitation: invitation) }
 
diff --git a/app/spec/controllers/cbv/summaries_controller_spec.rb b/app/spec/controllers/cbv/summaries_controller_spec.rb
index d9743ed3..28a13ae6 100644
--- a/app/spec/controllers/cbv/summaries_controller_spec.rb
+++ b/app/spec/controllers/cbv/summaries_controller_spec.rb
@@ -3,13 +3,20 @@
 RSpec.describe Cbv::SummariesController do
   include PinwheelApiHelper
 
-  let(:cbv_flow) { create(:cbv_flow, case_number: "ABC1234", pinwheel_token_id: "abc-def-ghi") }
+  let(:flow_started_seconds_ago) { 300 }
+  let(:cbv_flow) do
+    create(:cbv_flow, case_number: "ABC1234", pinwheel_token_id: "abc-def-ghi", created_at: flow_started_seconds_ago.seconds.ago)
+  end
   let(:cbv_flow_invitation) { cbv_flow.cbv_flow_invitation }
 
   before do
     session[:cbv_flow_invitation] = cbv_flow_invitation
   end
 
+  around do |ex|
+    Timecop.freeze(&ex)
+  end
+
   describe "#show" do
     before do
       cbv_flow_invitation.update(snap_application_date: Date.parse('2024-06-18'))
@@ -150,7 +157,8 @@
           cbv_flow_id: cbv_flow.id,
           account_count: 1,
           paystub_count: 1,
-          account_count_with_additional_information: 0
+          account_count_with_additional_information: 0,
+          flow_started_seconds_ago: flow_started_seconds_ago
         })
       end
     end