<p>Staying on top of frequent-flier tallies can be challenging for travelers. Enter two websites that aim to relieve some of that burden.(Photo: H. Darr Beiser, USA TODAY)</p><p>Southwest, Delta, United and American Airlines, citing intellectual property and security reasons, have made it difficult in the last couple of years for their frequent fliers to track their miles and points other than by using their websites.</p><p>They've eliminated account access to most third-party mileage-tracking sites, including AwardWallet, TripIt Pro, UsingMiles, MileWise and Superfly, even if the airlines' loyalty program members granted permission.</p><p>That's left two practical options for road warriors who are members of some of these airline programs and who don't want to jump from site to site to track their miles and points from airline, hotel, car rental and credit-card loyalty programs.</p><p><a href="http://www.usatoday.com/story/travel/columnist/digitaltraveler/2013/01/14/sites-aggregate-frequent-flier-points-from-several-airlines/1832953/">Keep reading...</a></p>