Originally Posted by
N830MH
That is correct. Only for winter time. Because the 757 aircraft can not fly nonstop to EWR, IAD or JFK. Due to high headwinds gusts. They will lose the fuel. That's the problem. All 757 aircraft have stop in YHZ or YYT to get refuel the planes.
This is not true, at all. 757 flights from Ireland or western Great Britain to EWR or IAD are well within range and almost never have to have fuel stops in winter or summer months.