U.S. State Dept:
http://www.travel.state.gov

Bureau of Citizenship & Immmigration Services:
http://www.uscis.gov

Border Wait Times:
http://apps.cbp.gov/bwt/

Processing Dates and Case Status Online:
Click on the following link and insert your case number to check your
Citizenship and Immigration Processing Dates and Case Status Online.
https://egov.uscis.gov/cris/jsps/index.jsp