While on final descent, a warning light in the cockpit indicated a possible problem with the plane's hydraulic system, according to the Federal Aviation Administration. Flight 886 was diverted as a precaution to JFK because it has longer runways then LaGuardia. The plane landed safely on around 9 p.m.
While taxiing to the terminal, the McDonald Douglas MD88 rolled off the taxiway and into a grassy area, according to the FAA. It was moving slowly at the time.
There were 118 passengers and 5 crew members on board. Nobody was injured.
The Port Authority Police Crash, Fire, Rescue Unit responded to the scene. The passengers were bused to Terminal 2. Delta said those who needed to get to LaGuardia Airport will be bussed there.
The hydraulics system controls the brakes, flaps and steering of the plane.
The FAA will investigate.