Have other folks seen their dates slip, or is this scheduling info pretty stable once the release to manufacturing happens?

Order Entry 8/25/08
Marked Sold Order 8/25/08
Vehicle Assigned 8/25/08
Release to Manuf. 9/4/08
Release for Production
Factory Inspected
Departure Port Arrived
Ship Loaded 10/14/08

Port Arrived 11/10/08
Dealer Invoice
Port Hold End
Rel. to Carrier (Port) 11/14/08
Rail Load
Rail Unload
Truck Load
Dealer Delivered Week of 11/17/2008