I believe they may be able to check you in by phone. Another option would be to have a trusted friend with a computer or smartphone check in for you. They would just need your name and confirmation number. Lastly, you could pay the extra $15 fee (one way) for EarlyBird Check-In, which would automatically check you in at 36 hours prior to departure.
Once you get to the airport, you can get your boarding pass from a kiosk.
