You can download the airline app and get your pass that way. You can wait until the day before you leave and print your ticket. Also, wait till the day of your flight and see the ticket agent at the airport. Have your ID ready and you'll be all set.
You should get an email that you can use to check in otherwise on your day of travel get to the airport before the 30 minute cutoff and an airport employee can check you with a valid government issued photo ud.
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