British Airways Boeing 777-236ERĀ G-VIIK overnighted at Boston after arriving as BA239 from London Heathrow late yesterday evening, however following the Boeing 777-200ER technical diversion to Gander late last night, this morning’s return BA238 was cancelled and the aircraft instead positioned Boston – Gander as BA9156 in order to take over yesterday’s diverted BA112 New York JFK – London Heathrow, routing Gander – London Heathrow this afternoon using the BA112 callsign.