diff --git a/web/gui/src/main/webapp/app/fw/svg/glyph.js b/web/gui/src/main/webapp/app/fw/svg/glyph.js
index 726e808..b00f81d 100644
--- a/web/gui/src/main/webapp/app/fw/svg/glyph.js
+++ b/web/gui/src/main/webapp/app/fw/svg/glyph.js
@@ -144,6 +144,45 @@
             '83.5,37.7c0-2.1-1.2-3.8-2.7-3.8h-0.7c-1.5,0-2.7,1.7-2.7,3.8v55.9' +
             'c0,2.1,1.2,3.8,2.7,3.8h0.7c1.5,0,2.7-1.7,2.7-3.8V37.7z',
 
+            loading: 'M103.1,53.1c0,0,0,0.2,0,0.5c0,0.2,0,0.4,0,0.7c0,0.3,0,0' +
+            '.6,0,0.9c-0.1,1.3-0.2,3-0.5,4.8c-0.5,3.4-1.6,6.8-1.6,6.8l-9.2-2.' +
+            '7c0,0,0.8-2.7,1.1-5.5c0.2-1.4,0.3-2.8,0.3-3.8c0-0.3,0-0.5,0-0.7c' +
+            '0-0.2,0-0.4,0-0.6c0-0.3,0-0.5,0-0.5L103.1,53.1z M87.3,74.3c0,0-0' +
+            '.1,0.2-0.3,0.5c-0.2,0.3-0.4,0.6-0.7,1.1c-0.6,0.9-1.4,2-2.3,3.1c-' +
+            '1.8,2.2-3.9,4.1-3.9,4.1l5.7,6.5c0,0,0.7-0.5,1.6-1.4c1-0.9,2.2-2.' +
+            '1,3.3-3.4c1.1-1.3,2.2-2.6,3-3.7c0.4-0.5,0.7-1,0.9-1.3c0.2-0.3,0.' +
+            '3-0.4,0.3-0.4L87.3,74.3z M70.8,89.2c0,0-0.2,0.1-0.5,0.2c-0.3,0.2' +
+            '-0.6,0.3-1.2,0.5c-1,0.4-2.3,0.9-3.7,1.4c-2.7,0.9-5.5,1.3-5.5,1.3' +
+            'l1.1,7.6c0,0,0.8-0.1,2.1-0.3c1.3-0.2,2.9-0.6,4.6-1c1.6-0.5,3.3-1' +
+            ',4.5-1.5c0.6-0.2,1.2-0.5,1.5-0.6c0.3-0.1,0.5-0.2,0.5-0.2L70.8,89' +
+            '.2z M48.6,92.9c0,0-0.2,0-0.5-0.1c-0.4,0-0.7-0.1-1.3-0.2c-1.1-0.2' +
+            '-2.5-0.5-3.9-0.8c-2.8-0.7-5.4-1.9-5.4-1.9L34.6,96c0,0,3,1.5,6.3,' +
+            '2.5c1.6,0.5,3.3,0.9,4.5,1.2c0.6,0.1,1.2,0.2,1.5,0.3c0.3,0.1,0.5,' +
+            '0.1,0.5,0.1L48.6,92.9z M27.6,83.8c0,0-0.1-0.1-0.4-0.3c-0.3-0.2-0' +
+            '.6-0.5-1-0.9c-0.8-0.7-1.8-1.8-2.8-2.8c-2-2.2-3.6-4.6-3.6-4.6l-5,' +
+            '3.2c0,0,0.4,0.7,1.1,1.7c0.7,1,1.7,2.4,2.8,3.7c1.1,1.3,2.2,2.5,3.' +
+            '1,3.4c0.4,0.4,0.9,0.8,1.1,1.1c0.3,0.2,0.4,0.4,0.4,0.4L27.6,83.8z' +
+            'M14.8,64.7c0,0-0.1-0.2-0.2-0.5c-0.1-0.3-0.2-0.7-0.4-1.3c-0.3-1.1' +
+            '-0.6-2.5-0.8-4c-0.5-2.9-0.5-5.9-0.5-5.9l-5,0c0,0,0,0.8,0,2.1c0,1' +
+            '.2,0.1,2.9,0.3,4.5c0.2,1.6,0.5,3.3,0.8,4.5c0.1,0.6,0.3,1.2,0.4,1' +
+            '.5c0.1,0.3,0.1,0.5,0.1,0.5L14.8,64.7z M14.3,41.4c0,0,0.1-0.2,0.1' +
+            '-0.5c0.1-0.3,0.2-0.7,0.4-1.3c0.3-1.1,0.8-2.5,1.4-3.8c1.2-2.7,2.8' +
+            '-5.3,2.8-5.3l-3.4-2.2c0,0-1.8,2.7-3.2,5.7c-0.7,1.5-1.3,3-1.7,4.2' +
+            'c-0.2,0.6-0.4,1.1-0.5,1.4C10,39.9,10,40.1,10,40.1L14.3,41.4z M26' +
+            '.7,21.3c0,0,0.1-0.1,0.4-0.4c0.3-0.2,0.6-0.5,1-0.9c0.9-0.7,2.1-1.' +
+            '6,3.3-2.5c1.2-0.8,2.5-1.6,3.5-2.1c1-0.5,1.7-0.9,1.7-0.9l-1.3-2.9' +
+            'c0,0-0.7,0.3-1.8,0.9c-1.1,0.5-2.5,1.3-3.9,2.2c-1.4,0.9-2.7,1.8-3' +
+            '.7,2.5c-0.5,0.4-0.9,0.7-1.2,0.9c-0.3,0.2-0.4,0.3-0.4,0.3L26.7,21' +
+            '.3z M48.2,11c0,0,0.2,0,0.5-0.1c0.3,0,0.8-0.1,1.4-0.2c1.1-0.1,2.6' +
+            '-0.3,4.2-0.3c3-0.1,6.1,0.3,6.1,0.3l0.3-2.3c0,0-0.8-0.1-2-0.3C57.' +
+            '4,8.1,55.8,8,54.2,8c-1.6,0-3.2,0-4.4,0.1c-0.6,0-1.1,0.1-1.5,0.1c' +
+            '-0.3,0-0.5,0.1-0.5,0.1L48.2,11z M72,14c0,0,0.7,0.3,1.7,0.8c1,0.5' +
+            ',2.4,1.2,3.7,2c2.6,1.6,5,3.6,5,3.6l0.9-1c0,0-2.4-2.1-5-3.9c-1.3-' +
+            '0.9-2.7-1.7-3.8-2.3c-1.1-0.6-1.8-0.9-1.8-0.9L72,14zM90.7,29.6c0,' +
+            '0,0.4,0.6,1,1.6c0.6,1,1.4,2.3,2,3.7c0.7,1.4,1.3,2.8,1.7,3.9c0.4,' +
+            '1.1,0.6,1.8,0.6,1.8l0.4-0.1c0,0-0.2-0.8-0.6-1.9c-0.4-1.1-0.9-2.6' +
+            '-1.5-4c-0.6-1.4-1.3-2.9-1.9-3.9c-0.6-1-1-1.7-1-1.7L90.7,29.6z',
+
             // --- Navigation glyphs ------------------------------------
 
             flowTable: 'M15.9,19.1h-8v-13h8V19.1z M90.5,6.1H75.6v13h14.9V6.1z' +
diff --git a/web/gui/src/main/webapp/app/fw/svg/icon.js b/web/gui/src/main/webapp/app/fw/svg/icon.js
index c536a66..ba79431 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.js
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.js
@@ -43,6 +43,8 @@
         upArrow: 'triangleUp',
         downArrow: 'triangleDown',
 
+        loading: 'loading',
+
         appInactive: 'unknown',
 
         devIcon_SWITCH: 'switch',
diff --git a/web/gui/src/main/webapp/app/fw/widget/table.css b/web/gui/src/main/webapp/app/fw/widget/table.css
index 846ce9e..18b81ba 100644
--- a/web/gui/src/main/webapp/app/fw/widget/table.css
+++ b/web/gui/src/main/webapp/app/fw/widget/table.css
@@ -22,6 +22,31 @@
     border-spacing: 0;
 }
 
+div.loading-wheel {
+    display: inline-block;
+    position: absolute;
+    margin-top: 40px;
+    left: 47%;
+    animation: spin reverse 2s ease infinite;
+    z-index: 1000;
+}
+
+@keyframes spin {
+    to {
+        transform: rotate(360deg);
+    }
+}
+
+div.loading-wheel svg.embeddedIcon g.icon .glyph {
+    opacity: .8;
+}
+.light div.loading-wheel svg.embeddedIcon g.icon .glyph {
+    fill: #964949;
+}
+.dark div.loading-wheel svg.embeddedIcon g.icon .glyph {
+    fill: whitesmoke;
+}
+
 div.summary-list table {
     border-collapse: collapse;
     table-layout: fixed;
diff --git a/web/gui/src/main/webapp/app/fw/widget/tableBuilder.js b/web/gui/src/main/webapp/app/fw/widget/tableBuilder.js
index c731600..24161bb 100644
--- a/web/gui/src/main/webapp/app/fw/widget/tableBuilder.js
+++ b/web/gui/src/main/webapp/app/fw/widget/tableBuilder.js
@@ -21,10 +21,11 @@
     'use strict';
 
     // injected refs
-    var $log, $interval, fs, wss;
+    var $log, $interval, $timeout, fs, wss;
 
     // constants
-    var refreshInterval = 2000;
+    var refreshInterval = 2000,
+        loadingWait = 500;
 
     // example params to buildTable:
     // {
@@ -47,17 +48,21 @@
             onSel = fs.isF(o.selCb),
             onResp = fs.isF(o.respCb),
             oldTableData = [],
-            promise;
+            loaded = false,
+            refreshPromise, loadingPromise;
 
         o.scope.tableData = [];
         o.scope.changedData = [];
         o.scope.sortParams = {};
+        o.scope.loading = true;
         o.scope.autoRefresh = true;
         o.scope.autoRefreshTip = 'Toggle auto refresh';
 
         // === websocket functions --------------------
         // response
         function respCb(data) {
+            loaded = true;
+            o.scope.loading = false;
             o.scope.tableData = data[root];
             onResp && onResp();
 
@@ -83,9 +88,20 @@
         function sortCb(params) {
             var p = angular.extend({}, params, o.query);
             wss.sendEvent(req, p);
+            stillLoading();
         }
         o.scope.sortCallback = sortCb;
 
+        // show loading wheel if it's taking a while for the server to respond
+        function stillLoading() {
+            loaded = false;
+            loadingPromise = $timeout(function () {
+                if (!loaded) {
+                    o.scope.loading = true;
+                }
+            }, loadingWait);
+        }
+
         // === selecting a row functions ----------------
         function selCb($event, selRow) {
             o.scope.selId = (o.scope.selId === selRow.id) ? null : selRow.id;
@@ -95,7 +111,7 @@
 
         // === autoRefresh functions ------------------
         function startRefresh() {
-            promise = $interval(function () {
+            refreshPromise = $interval(function () {
                 if (fs.debugOn('widget')) {
                     $log.debug('Refreshing ' + root + ' page');
                 }
@@ -104,9 +120,9 @@
         }
 
         function stopRefresh() {
-            if (angular.isDefined(promise)) {
-                $interval.cancel(promise);
-                promise = undefined;
+            if (angular.isDefined(refreshPromise)) {
+                $interval.cancel(refreshPromise);
+                refreshPromise = undefined;
             }
         }
 
@@ -120,6 +136,10 @@
         o.scope.$on('$destroy', function () {
             wss.unbindHandlers(handlers);
             stopRefresh();
+            if (angular.isDefined(loadingPromise)) {
+                $timeout.cancel(loadingPromise);
+                loadingPromise = undefined;
+            }
         });
 
         sortCb();
@@ -128,11 +148,12 @@
 
     angular.module('onosWidget')
         .factory('TableBuilderService',
-        ['$log', '$interval', 'FnService', 'WebSocketService',
+        ['$log', '$interval', '$timeout', 'FnService', 'WebSocketService',
 
-            function (_$log_, _$interval_, _fs_, _wss_) {
+            function (_$log_, _$interval_, _$timeout_, _fs_, _wss_) {
                 $log = _$log_;
                 $interval = _$interval_;
+                $timeout = _$timeout_;
                 fs = _fs_;
                 wss = _wss_;
 
diff --git a/web/gui/src/main/webapp/app/view/app/app.html b/web/gui/src/main/webapp/app/view/app/app.html
index 0db8d9b..85b044f 100644
--- a/web/gui/src/main/webapp/app/view/app/app.html
+++ b/web/gui/src/main/webapp/app/view/app/app.html
@@ -37,6 +37,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/cluster/cluster.html b/web/gui/src/main/webapp/app/view/cluster/cluster.html
index 68b1b09..c504888 100644
--- a/web/gui/src/main/webapp/app/view/cluster/cluster.html
+++ b/web/gui/src/main/webapp/app/view/cluster/cluster.html
@@ -27,6 +27,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/device/device.html b/web/gui/src/main/webapp/app/view/device/device.html
index 609423d..5d51d1d 100644
--- a/web/gui/src/main/webapp/app/view/device/device.html
+++ b/web/gui/src/main/webapp/app/view/device/device.html
@@ -27,6 +27,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/flow/flow.html b/web/gui/src/main/webapp/app/view/flow/flow.html
index 1338a89..5fce98c 100644
--- a/web/gui/src/main/webapp/app/view/flow/flow.html
+++ b/web/gui/src/main/webapp/app/view/flow/flow.html
@@ -29,6 +29,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/group/group.html b/web/gui/src/main/webapp/app/view/group/group.html
index 6f2362e..b963f46 100644
--- a/web/gui/src/main/webapp/app/view/group/group.html
+++ b/web/gui/src/main/webapp/app/view/group/group.html
@@ -45,6 +45,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/host/host.html b/web/gui/src/main/webapp/app/view/host/host.html
index 5103b45..19a7ee1 100644
--- a/web/gui/src/main/webapp/app/view/host/host.html
+++ b/web/gui/src/main/webapp/app/view/host/host.html
@@ -11,6 +11,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/intent/intent.html b/web/gui/src/main/webapp/app/view/intent/intent.html
index 581d12a..4883bee 100644
--- a/web/gui/src/main/webapp/app/view/intent/intent.html
+++ b/web/gui/src/main/webapp/app/view/intent/intent.html
@@ -27,6 +27,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/link/link.html b/web/gui/src/main/webapp/app/view/link/link.html
index 3ed80a5..371d6b1 100644
--- a/web/gui/src/main/webapp/app/view/link/link.html
+++ b/web/gui/src/main/webapp/app/view/link/link.html
@@ -27,6 +27,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/port/port.html b/web/gui/src/main/webapp/app/view/port/port.html
index 2a6d59e..8eecb9d 100644
--- a/web/gui/src/main/webapp/app/view/port/port.html
+++ b/web/gui/src/main/webapp/app/view/port/port.html
@@ -45,6 +45,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>
diff --git a/web/gui/src/main/webapp/app/view/settings/settings.html b/web/gui/src/main/webapp/app/view/settings/settings.html
index 0faa1c2..ee069d3 100644
--- a/web/gui/src/main/webapp/app/view/settings/settings.html
+++ b/web/gui/src/main/webapp/app/view/settings/settings.html
@@ -11,6 +11,8 @@
     </div>
 
     <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
 
         <div class="table-header" onos-sortable-header>
             <table>