LaGuardia Airport Runway Reopens After Sinkhole Forces Two-Day Closure

LaGuardia Airport’s Runway 4/22 reopened on Friday, May 23, 2026, after a sinkhole forced its closure for two days. The incident occurred during the busy Memorial Day travel period, impacting airport operations and causing delays for travelers. The Port Authority of New York and New Jersey managed the repairs and inspections, aiming to restore full service as quickly as possible.

Discovery and Initial Response

Airport officials discovered the sinkhole around 11 a.m. on Wednesday, May 21, 2026, during a routine morning inspection of the airfield. The runway was immediately shut down to ensure safety and allow for an assessment of the damage. This closure happened at a time when air traffic is typically high due to the upcoming holiday weekend, putting a strain on the airport’s capacity.

Initially, officials expected to reopen the runway by Thursday. However, the complexity of the repairs and the need for thorough inspections pushed the estimated reopening to Friday morning. The Port Authority confirmed the runway’s return to service after crews completed the necessary work and conducted detailed checks.

Repair and Inspection Process

Crews utilized ground-penetrating radar to examine the pavement and identify any structural concerns beneath the surface. This technology allowed inspectors to look below the asphalt and pinpoint weak areas that needed attention. Following the inspection, proactive repairs were carried out to address these identified issues before the runway could be deemed safe for aircraft.

The Port Authority did not treat the visible sinkhole as an isolated problem. Instead, they expanded their inspection to search for any additional weak points in the pavement. This comprehensive approach ensured that the runway was not only repaired but also thoroughly checked for other potential structural vulnerabilities. The decision to conduct these wider inspections contributed to the extended closure period.

Investigating the Cause

The Port Authority launched an investigation into the cause of the sinkhole. One potential factor under review was a tunneling project related to a fuel line. Sources indicated that this nearby construction activity was being scrutinized as a possible reason for the airfield infrastructure failure. However, the agency had not yet assigned a final cause for the sinkhole at the time of the runway’s reopening.

The timing of the sinkhole’s appearance added pressure to the situation. Memorial Day weekend often means tighter flight schedules and increased airport activity. Any reduction in capacity at a busy airport like LaGuardia can quickly lead to widespread delays. With only two runways at LaGuardia, the closure of one runway significantly reduced the airport’s flexibility in managing air traffic.

Impact on Travel

The closure of Runway 4/22 did not result in the airport closing entirely, but it did reduce its overall capacity. This constraint was evident in the flight delays experienced by travelers. Airport officials advised passengers to check their flight statuses with their respective airlines, as residual delays were anticipated even after the runway reopened.

The disruption highlighted how a single pavement failure can significantly impact operations, especially at an airport with limited runway options during peak travel times. While the immediate operational problem was resolved with the runway’s reopening, the investigation into the sinkhole’s origin continued. This ongoing review aims to understand the underlying reasons for the incident and prevent future occurrences.