If you're a frequent flyer, then it won't be much of a drag upgrading to first-class flight tickets at the airport. during this case, you'll have the advantage of upgrading with frequent flyer points. There are some airlines that provide you discounted options for upgrading. Or else, you'll get a less expensive first-class fare upgrade a couple of hours before your scheduled flight. Elite frequent flyer members enjoy the utmost benefit in these matters.Customer service available 24/7.call now -1800-914-4849 .