LaGuardia Airport operated under restricted conditions after a sinkhole was discovered near Runway 4/22, prompting a temporary shutdown of the north-south runway. Port Authority crews found a four- to five-foot-deep sinkhole around 11:00 a.m. on May 20, 2026, during a routine inspection, leading to an immediate curtailment of that runway’s use while engineers assessed the damage. Over the next two days, ground-penetrating radar and other evaluations revealed additional subterranean areas of concern, delaying full restoration and extending repairs. By Friday evening, after repairs and inspections were completed, Runway 4/22 reopened, and normal operations were gradually resumed. During the event, traffic shifted to Runway 13/31, the airport’s sole remaining main runway, reducing overall capacity and impacting flight schedules. The incident was managed with no broad airport closure and no reported injuries, with authorities prioritizing safety and a careful return to full operative status.