By Fiona Leishman A busy US airport faced carnage this morning as two Jet Blue planes collided on the ground. Passengers planning to travel on the flights had their travel plans thrown into chaos as the two jets collided on the tarmac at Logan Airport in Boston. Photos shared by passengers on board one of the planes show a chunk missing from one of its wings. One of the planes involved was the Jet Blue flight 777 scheduled to depart Boston at around 6am local time en route to Las Vegas ahead of the big Super Bowl weekend. The other flight, which had been scheduled to depart Boston within minut…