Delta SkyMiles membership number must be provided at time of reservation or rental. No flight required to earn miles. The car must be rented in member's name to earn mileage. Only one SkyMiles member per car rental will be credited with miles. Offer valid for rentals at participating Alamo locations worldwide. Tour, travel industry and complimentary rentals do not qualify for mileage awards. Please allow 6 to 8 weeks after completed qualifying rental for miles to be posted to your account. Alamo charges a Frequent Traveler Surcharge in the US, Canada and Puerto Rico when renters choose to receive SkyMiles. Please visit www.delta.com for additional terms and conditions. Alamo collects a Frequent Traveler Service Charge based on the Federal Excise Tax (7.5%) expense incurred by Alamo when it purchases miles from Delta Air Lines.