Darvon Â® (propoxyphene hydrochloride) is a prescription painkiller. Belonging to a class of drugs called centrally acting narcotics, Darvon works in the central nervous system (the brain and spinal cord) rather than directly at the site of pain.
Step 1. Call (800) 589-5582 in the United States or the number of your local United Airlines national office if you are abroad. Note that the number for Canada is (800) 538-2929, and United Airlines maintains special 800 numbers in the United States for customers who prefer to speak Spanish, an Asian language or have hearing impairments.
Quick Answer. To print a boarding pass at home, check in for your United Airlines flight at United.com. Enter your six-character confirmation number or your 13-digit eTicket number and your last name to check in for your flight and print out your boarding pass. United Airlines' online flight check-in only becomes available 24 hours prior to your flight's scheduled departure time.