United Airlines filed additional changes to its planned summer 2018 Asia Pacific schedule, effective 24-Mar-2018 (Routes Online, 16-Dec-2017). Changes include adjustment of first class booking availability on three class Boeing 777-200ER aircraft. Previously, the majority of routes operated with the aircraft displayed first class as unavailable for booking from 01-May-2018. Details are as follows:
- Chicago O'Hare-Beijing: First class on 777 available to book until 31-Aug-2018;
- Chicago O'Hare-Hong Kong: First class on 777 available to book until 31-Aug-2018;
- Chicago O'Hare-Shanghai Pudong: First class on 777 available to book until 31-Aug-2018;
- Chicago O'Hare-Tokyo Narita: First class on 777 available to book until 31-Aug-2018;
- Newark-Tokyo Narita: 777-300ER continues operating daily, replacing previously filed 777-200ER, effective 01-Aug-2018;
- San Francisco-Chengdu: Timing changes from San Francisco, moving to midnight hours. Seasonal fourth weekly frequency, previously scheduled from 23-May-2018 to 03-Sep-2018, is cancelled. To operate with 787-8 equipment for the entire summer season, instead of between 26-Mar-2018 and 02-May-2018 only;
- San Francisco-Taipei Taoyuan: 777-300ER continues operating daily, instead of previously scheduled 777-200ER and 787-9, effective 25-Mar-2018;
- Washington Dulles-Tokyo Narita: First class remains available to book until 30-Apr-2018;
- San Francisco-Xian: Seasonal service cancelled.
United Airlines operates to 29 Asia Pacific destinations, with Northeast Asia and Southwest Pacific among the carrier's top five largest international markets by seats, according to OAG.