The 787 freed up by using the 767 on the HYD has allowed BA to go ahead with introducing the 787 on the CTU 5 x weekly and increasing the frequency on the AUS to daily earlier this week. BA's 5th 787 was planned to enter service earlier this week, in time to operate to CTU and the additional AUS frequencies. The aircraft's delivery had to be delayed by 3-4 weeks due to production problems at Boeing.
BA originally planned to operate the 767 to HYD between the 5th and 18th of May. BA decided on HYD after looking at the routes planned loads and the operational requirements on other 787 routes. Unfortunately BA was forced to bring forward the start date for 767 ops to HYD after one of BA's 787's had to be removed from service for unscheduled maintenance on it's landing gear and undercarriage after a bird strike in YYZ the day before. The last minute change in plan resulted in long operational delays on the HYD route
The 787 is due to resume operation of the route from the 19th of May. BA 787 delivery details are below
G-ZBJE - Due 10th May
G-ZBJF - Due 18th May
G-ZBJG - Due 1st July
G-ZBJH - Due mid July