Joan,
Just checked the USPS site and your package should be there Wednesday.
Your Label Number Service Status of Your Item Date & Time Location Features
Result 1 9405503699300224195888
Your item was processed through our SCARBOROUGH, ME 04074 facility on September 20, 2011 at 6:44 pm.
Processed through Sort Facility
September 20, 2011, 6:44 pm SCARBOROUGH, ME 04074
Acceptance
September 19, 2011, 11:07 am ELKTON, MD 21921
Electronic Shipping Info Received