If you're making an attempt to vary your flight timings to twenty-four-hour intervals from your originally regular time of departure, area unit able to explore for totally different flights and use our Modification feature. should be able to choose the chance of standby or confirmation. you have got time to modify your E-Ticket for any reason from the time of purchase and to receive a full refund together with any paid charges. twenty four hours safe makeover technique. you'll modify your United Airlines flight by phone, online, or at a united sales counter. to vary your flight be at liberty to induce our travel knowledgeable team to create changes to your reservation on airlines. you'll modify your worth price tag whereas not paying the fee on United Airlines. In line with United Airlines' flight modification policy, you will need to pay the distinction in fares if your new flight is dearer.