diff --git a/api/onnx_web/server/api.py b/api/onnx_web/server/api.py
index 6619097d..7ab44515 100644
--- a/api/onnx_web/server/api.py
+++ b/api/onnx_web/server/api.py
@@ -51,12 +51,17 @@ logger = getLogger(__name__)
 
 
 def ready_reply(
-    ready: bool, progress: int = 0, error: bool = False, cancel: bool = False
+    ready: bool = False,
+    cancelled: bool = False,
+    failed: bool = False,
+    pending: bool = False,
+    progress: int = 0,
 ):
     return jsonify(
         {
-            "cancel": cancel,
-            "error": error,
+            "cancelled": cancelled,
+            "failed": failed,
+            "pending": pending,
             "progress": progress,
             "ready": ready,
         }
@@ -439,9 +444,9 @@ def cancel(context: ServerContext, pool: DevicePoolExecutor):
         return error_reply("output name is required")
 
     output_file = sanitize_name(output_file)
-    cancel = pool.cancel(output_file)
+    cancelled = pool.cancel(output_file)
 
-    return ready_reply(cancel is not False, cancel=cancel)
+    return ready_reply(cancelled=cancelled)
 
 
 def ready(context: ServerContext, pool: DevicePoolExecutor):
@@ -450,22 +455,26 @@ def ready(context: ServerContext, pool: DevicePoolExecutor):
         return error_reply("output name is required")
 
     output_file = sanitize_name(output_file)
-    progress = pool.done(output_file)
+    pending, progress = pool.done(output_file)
+
+    if pending:
+        return ready_reply(pending=True)
 
     if progress is None:
         output = base_join(context.output_path, output_file)
         if path.exists(output):
-            return ready_reply(True)
+            return ready_reply(ready=True)
         else:
             return ready_reply(
-                True, error=True
+                ready=True,
+                failed=True,
             )  # is a missing image really an error? yes will display the retry button
 
     return ready_reply(
-        progress.finished,
+        ready=progress.finished,
         progress=progress.progress,
-        error=progress.error,
-        cancel=progress.cancel,
+        failed=progress.error,
+        cancelled=progress.cancel,
     )
 
 
diff --git a/api/onnx_web/worker/command.py b/api/onnx_web/worker/command.py
index 5a05e246..089be538 100644
--- a/api/onnx_web/worker/command.py
+++ b/api/onnx_web/worker/command.py
@@ -6,8 +6,8 @@ class ProgressCommand:
     job: str
     finished: bool
     progress: int
-    cancel: bool
-    error: bool
+    cancelled: bool
+    failed: bool
 
     def __init__(
         self,
@@ -15,15 +15,15 @@ class ProgressCommand:
         device: str,
         finished: bool,
         progress: int,
-        cancel: bool = False,
-        error: bool = False,
+        cancelled: bool = False,
+        failed: bool = False,
     ):
         self.job = job
         self.device = device
         self.finished = finished
         self.progress = progress
-        self.cancel = cancel
-        self.error = error
+        self.cancelled = cancelled
+        self.failed = failed
 
 
 class JobCommand:
diff --git a/api/onnx_web/worker/pool.py b/api/onnx_web/worker/pool.py
index 22a74d0a..bbcdb726 100644
--- a/api/onnx_web/worker/pool.py
+++ b/api/onnx_web/worker/pool.py
@@ -232,7 +232,7 @@ class DevicePoolExecutor:
         for job in self.pending_jobs:
             if job.name == key:
                 logger.debug("checking status for pending job: %s", key)
-                return (True, ProgressCommand(job.name, job.device, False, 0))
+                return (True, None)
 
         logger.trace("checking status for unknown job: %s", key)
         return (False, None)
@@ -365,25 +365,39 @@ class DevicePoolExecutor:
         self.pending_jobs.append(job)
         self.pending[device].put(job, block=False)
 
-    def status(self) -> List[Tuple[str, int, bool, bool, bool]]:
+    def status(self) -> List[Tuple[str, int, bool, bool, bool, bool]]:
         history = [
             (
                 name,
                 job.progress,
+                False,
                 job.finished,
-                job.cancel,
-                job.error,
+                job.cancelled,
+                job.failed,
             )
             for name, job in self.running_jobs.items()
         ]
+        history.extend(
+            [
+                (
+                    job.name,
+                    0,
+                    True,
+                    False,
+                    False,
+                    False,
+                ) for job in self.pending_jobs
+            ]
+        )
         history.extend(
             [
                 (
                     job.job,
                     job.progress,
+                    False,
                     job.finished,
-                    job.cancel,
-                    job.error,
+                    job.cancelled,
+                    job.failed,
                 )
                 for job in self.finished_jobs
             ]