Support WBURUnited's 'Basic Economy' Aims To Compete With Discount AirlinesPlay03:59Download AudioDavid SchaperDecember 12, 2016 ShareUnited Airlines will offer cheaper airfares in 2017 but the trade-off will be giving up some of the few remaining perks of air travel, like putting a carry-on suitcase in the overhead bin or getting an assigned seat. (Getty Images)