Originally Posted by
alexwuk
SCL-LHR is indeed the longest BA sector, and I can assure you it feels even longer if the 787-900 that operates your flight is one of the four BA operate that do not have Wi-Fi fitted.
Lack of wifi on a plane is an advantage for me...
Edit: Also...persuing my plane-nerdiness to the next level. Its a 787-9. The -X00 series were last gen planes. All Boeing framces since the 787 (737MAX, next 777X) are -Dash-Single numbers.