New Delhi, Oct. 18 -- Two United Airlines aircraft - a Boeing 737 and a Boeing 767 - were involved in a ground collision at Chicago O'Hare International Airport in Illinois, United States, on Friday, October 17, afternoon.

According to reports, the accident happened when the Boeing 737 operating flight UA2652 was taxiing to its arrival gate when it struck the left horizontal stabilizer of the parked Boeing 767.

No passenger sustained injuries and the 113 passengers on Flight 2652 from Jackson Hole, Wyoming, were able to leave the plane normally after a delay, United officials said in a statement.

The 767 was in a parking configuration with no passengers on board at the time of the incident.

The airline said it is investigating the cau...