I'm looking at an itinerary on ITA and I've found the perfect itinerary. However, I'm afraid the connections may be too tight. Any ideas whether 70 minutes in HKG and 90 minutes in LHR is enough to make it?

Dragonair Phnom Penh (PNH) to Hong Kong (HKG) - Tue, Oct 15
Dragonair 205 Dep: 7:00PM Arr: 10:35PM 2h 35m Airbus A320 Economy (H)
Layover in HKG 1h 10m

British Airways p.l.c. Hong Kong (HKG) to London (LHR) - Tue, Oct 15
British Airways p.l.c. 28 Dep: 11:45PM Arr: 5:40AM 12h 55m Boeing 747 Economy (Q)
Layover in LHR Wed, Oct 16 1h 30m

British Airways p.l.c. London (LHR) to Glasgow (GLA) - Wed, Oct 16
British Airways p.l.c. 1472 Dep: 7:10AM Arr: 8:30AM 1h 20m Airbus A321 Economy (Q)