Once you finish the shipment workflow, you should arrive at this step:
Click "View Shipment on Seller Central".
The shipment should look like this:
You can also check the Shipping Queue on Seller Central.
Amazon-Partnered Carrier Shipments
For Amazon-Partnered Carrier Shipments, the shipment should show up as Working inside the Shipping Queue once you've finished processing everything inside of AccelerList:
Once you drop the product off at UPS, or UPS comes to pick up the boxes, the shipment will eventually change to In Transit.
Just sit tight now and wait for Amazon to receive the inventory. π