2026年2月2日 / 美国东部时间下午6:56 / CBS新闻
联合航空公司正计划进行重大技术更新，该更新将在周三凌晨关闭其在线预订系统。
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该航空公司敦促周三有航班计划的旅客在周二通过联合航空的网站或移动应用程序办理登机手续，以避免遇到问题。联合航空预计系统中断将持续约四个半小时，从美国东部时间周三凌晨2:30开始，一直持续到早上6点。
联合航空主页上的一则通知告知旅客，该公司正在”进行计划中的技术升级”，在此期间，其许多网络和应用服务将不可用，包括航空公司员工使用的服务。
联合航空正在对其老旧的主机航班预订系统（名为Shares）进行现代化改造。此次升级要求航空公司将预订数据从北卡罗来纳州现有的数据中心转移到芝加哥的一个更先进的设施，该公司表示此举将提高系统可靠性。
以下是联合航空客户需要了解的关于预订系统升级的信息。
我周三要坐飞机怎么办？
联合航空的航班时刻表将从周三凌晨开始暂时不可用。客户也将无法进行新预订、取消预订、办理登机手续或查看行程。
因此，航空公司敦促所有周三上午有航班的旅客在周二办理登机手续。旅客也应在周二办理托运行李，因为通常旅客可在航班起飞前四小时办理行李托运。
此次预订系统更新已计划了一段时间，联合航空数月前已取消受影响的航班，约600个航班受到影响。当时航空公司已通知了客户这一变更。
客户在2月4日美国东部时间凌晨2:30之前，或数据传输完成后，仍可进行预订、完成登机手续或更改行程。
可能会出什么问题？
联合航空告诉CBS新闻，该公司已对数据迁移过程进行了演练，因此事情应该会顺利进行。旅游专家预计干扰相对较小。
航班优惠网站Going.com的创始人兼首席执行官斯科特·凯斯(Scott Keyes)告诉CBS新闻：”如果在深夜无法搜索航班，不要惊慌，系统很快就会恢复在线。”
当然，如果升级没有按计划进行，可能会给客户带来麻烦。大约十年前，西南航空公司曾发生过一次计算机系统中断，持续了数天，导致数百个航班取消和数千个航班延误。
编辑：Alain Sherter
Kris Van Cleave 为本文提供了报道。
United Airlines is set to upgrade its reservation system. Here’s what that means for travelers.
February 2, 2026 / 6:56 PM EST / CBS News
United Airlines is planning a major technology update that will take down its online reservation system early Wednesday.
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The carrier is urging passengers with flights scheduled to depart on Wednesday to check in via United’s website or mobile app on Tuesday to avoid encountering problems. United expects the outage to last roughly four and a half hours, beginning Wednesday at 2:30 a.m. EDT and lasting until 6 a.m. EDT.
An alert on United’s homepage informs travelers that it is “conducting a planned technology upgrade” and that many of its web and app services will not be available during that time, including for employees of the airline.
United is modernizing its aging mainframe flight reservation system, known as Shares. The upgrade requires the airline to transfer reservation data from its current data center in North Carolina to a more high-tech facility in Chicago that the airline said will improve reliability.
Here’s what United customers should know about United’s reservation system upgrade.
What if I am flying on Wednesday?
United’s flight schedule will be temporarily unavailable starting early Wednesday morning. Customers also won’t be able to make new reservations, cancel bookings, check in for flights or retrieve their itineraries.
As such, the airline is urging anyone scheduled to fly on Wednesday morning to check in on Tuesday. That is also when passengers should check bags, which fliers can typically do up to four hours before departure.
The reservation system refresh has been planned for some time, with United canceling impacted flights months ago. The airline notified customers of the changes, affecting roughly 600 flights, at the time.
Customers can still book, complete check-in or make changes to their trips prior to Feb. 4 at 2:30 a.m. EDT, or once the data transfer is completed.
What could go wrong?
United has rehearsed the data migration process, so things should go smoothly, the airline told CBS News. Travel experts expect relatively little disruption.
“Don’t freak out if you can’t search for flights in the middle of the night,” Scott Keyes, founder and CEO of flight deals website Going.com, told CBS News. “It will come back online soon.’
Of course, if the upgrade doesn’t go as planned, it could spell headaches for customers. Roughly a decade ago, Southwest Airlines suffered a computer outage that dragged on for days, leading to hundreds of flight cancellations and thousands more delays.
Edited by Alain Sherter
Kris Van Cleave contributed to this report.
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