Ans. Passengers can get frequent flyer miles when they take Portland to Pune flights. To accumulate miles passengers should make sure that they register with the airline and get a frequent flyer number. When booking a flight with their chosen airline, the passengers should give their frequent flyer number and get miles on their flights. The miles that the passengers get depends on the route that they are flying, as longer flights mean more miles. Similarly, the passengers flying in business class and first class will get more miles in comparison to people flying in economy class. Passengers should check the rules concerning the frequent flyer miles on the airline website.