Want to use your Amtrak Guest Rewards points for airline miles? Follow this: You can redeem Amtrak Guest Rewards points for Choice Privileges points at a rate of 5,000 Amtrak Guest Rewards points for 25,000 Choice Privileges points. Once the points are in your Choice Privileges account, you can then redeem the 25,000 Choice Privileges points for 5,000 miles with Air Canada, Alaska, American, Continental, Delta, Mexicana, Northwest, United and US Airways. Members of Choice Privileges can also redeem points for Southwest credits at a rate of 5,000 points for two Southwest credits. This effectively grows the airline partner list for Amtrak Guest Rewards by nine airlines. Amtrak Guest Rewards members can redeem 5,000 Guest Rewards points directly into the Continental and Midwest programs for 5,000 miles. Members may redeem a maximum of 25,000 Amtrak Guest Rewards points per calendar year to any other program currency; 50,000 Amtrak points for Select (elite-level) members. Thanks to Gary Leff for pointing this out in his View from the Wing blog on WebFlyer.com – http://blogs.flyertalk.com//blogs/viewwing/