diff --git a/README.md b/README.md
index 787608a..d10fd8c 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ stubby [-a <port>] [-c <file>] [-d <file>] [-h] [-k <file>] [-l <hostname>] [-m]
 -t, --tls <port>            Port for https stubs portal. Defaults to 7443.
 -v, --version               Prints stubby's version number.
 -w, --watch                 Auto-reload data file when edits are made.
+-o, --latency               Global latency delay when not defined in a route.
 ```
 
 When used from the command-line, `stubby` responds to the `SIGHUP` signal to reload its configuration.
diff --git a/lib/console/cli.js b/lib/console/cli.js
index db47d3b..70c45d1 100644
--- a/lib/console/cli.js
+++ b/lib/console/cli.js
@@ -64,12 +64,18 @@ var options = [{
 },{
   name: 'version',
   flag: 'v',
-  description: "Prints stubby's version number."
+  description: 'Prints stubby\'s version number.'
 },{
   name: 'watch',
   flag: 'w',
-  description: "Auto-reload data file when edits are made."
-}]
+  description: 'Auto-reload data file when edits are made.'
+},{
+  name: 'latency',
+  flag: 'o',
+  param: 'milliseconds',
+  "default": 0,
+  description: 'Global latency delay when not defined in a route.'
+}];
 
 function help(go) {
   if (go == null) { go = false; }
diff --git a/lib/models/endpoint.js b/lib/models/endpoint.js
index 32bb4cb..b65881c 100644
--- a/lib/models/endpoint.js
+++ b/lib/models/endpoint.js
@@ -6,6 +6,7 @@ var http = require('http');
 var url = require('url');
 var q = require('querystring');
 var out = require('../console/out');
+var cli = require('../console/cli');
 
 function Endpoint(endpoint, datadir) {
   if (endpoint == null) { endpoint = {}; }
@@ -127,7 +128,7 @@ function purifyResponse(me, incoming) {
       outgoing.push(pruneUndefined({
         headers: purifyHeaders(response.headers),
         status: parseInt(response.status) || 200,
-        latency: parseInt(response.latency) || undefined,
+        latency: parseInt(response.latency || cli.getArgs().latency) || undefined,
         file: response.file,
         body: purifyBody(response.body)
       }));
diff --git a/spec/cli.spec.coffee b/spec/cli.spec.coffee
index 22c6288..b58955f 100644
--- a/spec/cli.spec.coffee
+++ b/spec/cli.spec.coffee
@@ -132,6 +132,26 @@ describe 'CLI', ->
 
             assert out.log.calledOnce
 
+      describe '-o, --latency', ->
+       it 'should return default if no flag provided', ->
+         expected = 0
+         actual = sut.getArgs []
+
+         assert actual.latency is expected
+
+       it 'should return supplied value when provided', ->
+         expected = '12345'
+         actual = sut.getArgs ['-o', expected]
+
+         assert actual.latency is expected
+
+       it 'should return supplied value when provided with full flag', ->
+         expected = '54321'
+         actual = sut.getArgs ['--latency', expected]
+
+         assert actual.latency is expected
+
+
    describe 'data', ->
       expected = [
          request:
@@ -202,10 +222,12 @@ describe 'CLI', ->
             tls: "443"
             mute: true
             watch: filename
+            latency: 0
             datadir: process.cwd()
             help: undefined
             version: (require '../package.json').version
 
+
          sinon.stub(sut, 'data').returns expected.data
          sinon.stub(sut, 'key').returns expected.key
          sinon.stub(sut, 'cert').returns expected.cert
@@ -222,8 +244,10 @@ describe 'CLI', ->
             '-t', expected.tls
             '-m'
             '-w'
+            '-o'
          ]
 
+
          assert.deepEqual actual, expected
 
          sut.data.restore()
diff --git a/spec/contract.spec.coffee b/spec/contract.spec.coffee
index 30ee9b4..64adde5 100644
--- a/spec/contract.spec.coffee
+++ b/spec/contract.spec.coffee
@@ -299,6 +299,11 @@ describe 'contract', ->
         actual = sut data
         assert.deepEqual actual, expected
 
+      it 'should return no errors for latency undefined', ->
+        data.response.latency = undefined
+        result = sut data
+        assert result is null
+
     it 'should return no errors for an empty body', ->
       delete data.response.body
       result = sut data
diff --git a/spec/endpoint.spec.coffee b/spec/endpoint.spec.coffee
index 484f819..7b447a4 100644
--- a/spec/endpoint.spec.coffee
+++ b/spec/endpoint.spec.coffee
@@ -1,6 +1,7 @@
 waitsFor = require './helpers/waits-for'
 Endpoint = require '../lib/models/endpoint'
 assert = require 'assert'
+cli = require '../lib/console/cli'
 
 compareOneWay = (left, right) ->
   for own key, value of left
@@ -225,7 +226,7 @@ describe 'Endpoint', ->
 
       assert actual.request.headers.origin is expected
 
-    it 'should define aditional Cross-Origin headers', ->
+    it 'should define additional Cross-Origin headers', ->
       expected = 'http://example.org'
       @data.request.headers =
         Origin: 'http://example.org'
@@ -237,3 +238,16 @@ describe 'Endpoint', ->
       assert actual.request.headers.origin is expected
       assert actual.request.headers['access-control-request-method'] is 'POST'
       assert actual.request.headers['access-control-request-headers'] is 'Content-Type, origin'
+
+    it 'should allow custom latency', ->
+      expected = 5000
+
+      @data =
+        response: [
+          latency: expected
+        ]
+
+      actual = new Endpoint @data
+
+      assert actual.response[0].latency is expected
+
diff --git a/spec/main.spec.coffee b/spec/main.spec.coffee
index 849f66b..4224b17 100644
--- a/spec/main.spec.coffee
+++ b/spec/main.spec.coffee
@@ -132,3 +132,8 @@ describe 'main', ->
                 sut.start options, ->
                     assert options.cert is defaults.cert
                     done()
+
+            it 'should default latency to 0', (done) ->
+                sut.start options, ->
+                    assert options.latency is defaults.latency
+                    done()
\ No newline at end of file