Starting today, Amtrak released version 1.3 of the Amtrak iOS app, which now includes Passbook support. Details of the update are shown below.
How to Add Your Amtrak Ticket to Passbook
1. Install the Amtrak iOS app.
2. Login to your Amtrak account on the app.
3. Browse to view your e-ticket. On the view e-ticket screen, hit the icon on the top-right and select “Add to Passbook.” (see below)