日本飞上海一航班延误超6小时，吉祥航空客服回应

Group 1 - On November 19, 2023, the flight HO1338 operated by Juneyao Airlines experienced a delay of over 6 hours due to mechanical failure [1][3] - The flight was originally scheduled to arrive in Shanghai at 23:45 GMT+8 but was delayed and eventually landed at 06:00 GMT+8 on November 20 [3] - A replacement Boeing 787-9 aircraft was dispatched to pick up the passengers after the initial aircraft encountered issues [3] Group 2 - Juneyao Airlines confirmed the delay was caused by a mechanical fault, but specific details regarding the fault have not been disclosed [3]