"The two most important points are that you have to book at least seven days in advance, and can have at most four one-way reservations active at any point. By my math, that means you’ll get at most 16 one-way tickets booked per month. At most." [0]<p>[0] <a href="http://onemileatatime.boardingarea.com/2016/02/03/unlimited-flying-onego/" rel="nofollow">http://onemileatatime.boardingarea.com/2016/02/03/unlimited-...</a>