BA are increasing the number of flights to LHR from the start of the Summer 2019 schedule (31MAR19). The article states the frequency is increasing to 16 x weekly.
https://www.businesstraveller.com/bu...rness-service/
BA1468 LHR 08:55 INV 10:35 319 7
BA1468 LHR 09:20 INV 11:00 319 6
BA1470 LHR 16:30 INV 18:10 319 x367
BA1470 LHR 17:15 INV 18:55 319 6
BA1470 LHR 17:35 INV 19:15 319 7
BA1470 LHR 18:40 INV 20:20 319 3
BA1466 LHR 20:20 INV 22:00 319 D
BA1467 INV 07:05 LHR 08:35 319 D
BA1469 INV 11:25 LHR 13:00 319 7
BA1469 INV 12:05 LHR 13:40 319 6
BA1471 INV 19:05 LHR 20:35 319 x367
BA1471 INV 19:40 LHR 21:05 319 6
BA1471 INV 20:15 LHR 21:40 319 7
BA1471 INV 21:10 LHR 22:35 319 3