diff --git a/x-pack/plugins/observability/public/components/alert_search_bar/containers/state_container.tsx b/x-pack/plugins/observability/public/components/alert_search_bar/containers/state_container.tsx
index 5513cc62df626..a08971b0c350e 100644
--- a/x-pack/plugins/observability/public/components/alert_search_bar/containers/state_container.tsx
+++ b/x-pack/plugins/observability/public/components/alert_search_bar/containers/state_container.tsx
@@ -35,7 +35,7 @@ interface AlertSearchBarStateTransitions {
 }
 
 const defaultState: AlertSearchBarContainerState = {
-  rangeFrom: 'now-2h',
+  rangeFrom: 'now-24h',
   rangeTo: 'now',
   kuery: '',
   status: ALL_ALERTS.status,
diff --git a/x-pack/plugins/observability/public/components/alerts_table/rule_details/get_rule_details_table_configuration.tsx b/x-pack/plugins/observability/public/components/alerts_table/rule_details/get_rule_details_table_configuration.tsx
index 369a3d4c5c12d..d03e90452fa28 100644
--- a/x-pack/plugins/observability/public/components/alerts_table/rule_details/get_rule_details_table_configuration.tsx
+++ b/x-pack/plugins/observability/public/components/alerts_table/rule_details/get_rule_details_table_configuration.tsx
@@ -6,7 +6,7 @@
  */
 
 import React from 'react';
-import { TIMESTAMP } from '@kbn/rule-data-utils';
+import { ALERT_START } from '@kbn/rule-data-utils';
 import { SortOrder } from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 import {
   AlertsTableConfigurationRegistry,
@@ -35,7 +35,7 @@ export const getRuleDetailsTableConfiguration = (
     }),
   sort: [
     {
-      [TIMESTAMP]: {
+      [ALERT_START]: {
         order: 'desc' as SortOrder,
       },
     },
diff --git a/x-pack/plugins/observability/public/pages/rule_details/components/rule_details_tabs.tsx b/x-pack/plugins/observability/public/pages/rule_details/components/rule_details_tabs.tsx
index 163aee618f9b9..f5e514d57a68a 100644
--- a/x-pack/plugins/observability/public/pages/rule_details/components/rule_details_tabs.tsx
+++ b/x-pack/plugins/observability/public/pages/rule_details/components/rule_details_tabs.tsx
@@ -68,20 +68,6 @@ export function RuleDetailsTabs({
   ]);
 
   const tabs: EuiTabbedContentTab[] = [
-    {
-      id: RULE_DETAILS_EXECUTION_TAB,
-      name: i18n.translate('xpack.observability.ruleDetails.rule.eventLogTabText', {
-        defaultMessage: 'Execution history',
-      }),
-      'data-test-subj': 'eventLogListTab',
-      content: (
-        <EuiFlexGroup style={{ minHeight: 600 }} direction={'column'}>
-          <EuiFlexItem>
-            {rule && ruleType ? <RuleEventLogList ruleId={rule.id} ruleType={ruleType} /> : null}
-          </EuiFlexItem>
-        </EuiFlexGroup>
-      ),
-    },
     {
       id: RULE_DETAILS_ALERTS_TAB,
       name: i18n.translate('xpack.observability.ruleDetails.rule.alertsTabText', {
@@ -117,6 +103,20 @@ export function RuleDetailsTabs({
         </>
       ),
     },
+    {
+      id: RULE_DETAILS_EXECUTION_TAB,
+      name: i18n.translate('xpack.observability.ruleDetails.rule.eventLogTabText', {
+        defaultMessage: 'Execution history',
+      }),
+      'data-test-subj': 'eventLogListTab',
+      content: (
+        <EuiFlexGroup style={{ minHeight: 600 }} direction={'column'}>
+          <EuiFlexItem>
+            {rule && ruleType ? <RuleEventLogList ruleId={rule.id} ruleType={ruleType} /> : null}
+          </EuiFlexItem>
+        </EuiFlexGroup>
+      ),
+    },
   ];
 
   const handleTabIdChange = (newTabId: TabId) => {
diff --git a/x-pack/plugins/observability/public/pages/rule_details/rule_details.tsx b/x-pack/plugins/observability/public/pages/rule_details/rule_details.tsx
index 6a9c38b1b1e80..90ed7866a1560 100644
--- a/x-pack/plugins/observability/public/pages/rule_details/rule_details.tsx
+++ b/x-pack/plugins/observability/public/pages/rule_details/rule_details.tsx
@@ -103,7 +103,7 @@ export function RuleDetailsPage() {
 
     return urlTabId && [RULE_DETAILS_EXECUTION_TAB, RULE_DETAILS_ALERTS_TAB].includes(urlTabId)
       ? (urlTabId as TabId)
-      : RULE_DETAILS_EXECUTION_TAB;
+      : RULE_DETAILS_ALERTS_TAB;
   });
 
   const [esQuery, setEsQuery] = useState<{ bool: BoolQuery }>();
diff --git a/x-pack/test/observability_functional/apps/observability/pages/alerts/state_synchronization.ts b/x-pack/test/observability_functional/apps/observability/pages/alerts/state_synchronization.ts
index 9711443fcbf84..5ea77239f0f06 100644
--- a/x-pack/test/observability_functional/apps/observability/pages/alerts/state_synchronization.ts
+++ b/x-pack/test/observability_functional/apps/observability/pages/alerts/state_synchronization.ts
@@ -61,7 +61,7 @@ export default ({ getPageObjects, getService }: FtrProviderContext) => {
       await assertAlertsPageState({
         kuery: '',
         // workflowStatus: 'Open',
-        timeRange: 'Last 2 hours',
+        timeRange: 'Last 24 hours',
       });
     });