My memory of BOAC to the Caribbean was there was no definate route,or at least they kept changing, except that to Barbados, so I looked up my log book and here goes
28/06/69-- New York--Mo Bay-- Kingston --Lima
Off Chocks to On chocks 10hrs and 02 minutes and 3 sectors
06/09/69--- LHR --Antigua return Antigua -- Bermuda-- London
14/08/70---LHR--Barbados [crew slip] --Bardados-- Caracus-- Bogota
27/04/74---LHR-- Bermuda [crew slip]--Bermuda--Kingston-- Panama.
All the above operated by Super VC-10
In those days New York was a big hub for BOAC with flights to the Caribbean -The west coast and Pacific- and Bermuda