diff --git a/x-pack/test/apm_api_integration/tests/transactions/transactions_groups_alerts.spec.ts b/x-pack/test/apm_api_integration/tests/transactions/transactions_groups_alerts.spec.ts
index 7468437d8bc72..6c009682e1421 100644
--- a/x-pack/test/apm_api_integration/tests/transactions/transactions_groups_alerts.spec.ts
+++ b/x-pack/test/apm_api_integration/tests/transactions/transactions_groups_alerts.spec.ts
@@ -137,7 +137,8 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
       after(() => apmSynthtraceEsClient.clean());
 
-      describe('Transaction groups with avg transaction duration alerts', () => {
+      // FLAKY: https://github.com/elastic/kibana/issues/198866
+      describe.skip('Transaction groups with avg transaction duration alerts', () => {
         let ruleId: string;
         let alerts: ApmAlertFields[];