United Airlines Mileage Plus members can earn 1,500 bonus miles when booking a car with Hertz.
The promotion is available when booking and collecting a mid-size or larger car through united.com before October 31.
Members must quote discount code (CDP) 62455, PC#305023 and their Mileage Plus number at the time of reservation.
Standard Mileage Plus members normally earn 500 miles per booking; Mileage Plus Chase credit card holders earn 750 miles; Mileage Plus Premier Gold and Premier Silver members earn 1,000 miles; and Mileage Plus Global Services, Premier 1K and Premier Platinum members earn 1,250 miles.
United named Hertz as its preferred car rental partner last year (see news, October 2014).
Graham Smith