In a statement, the Federal Aviation Administration said United Flight 863 heading to Sydney, Australia and United Flight 877 bound for Hong Kong were the two planes involved. Flight 863’s left wingtip collided with the right wingtip of Flight 877 about 12:35 a.m., the FAA said.

Two United Airlines jets made contact during an incident at San Francisco International Airport Monday night, prompting the cancellation of both flights.

Two United Airlines planes clipped wings at San Francisco International Airport just after midnight on Tuesday, according to the Federal Aviation Administration (FAA). The United flight heading to Sydney was pushing back from the gate when its right wing tip hit the left wing tip of a plane going to Hong Kong,