Air Canada Flight 8646 Crashes at LaGuardia — Airport Closed, Flights Diverted to JFK and Newark

If you have been looking for reliable updates on the LaGuardia Airport crash, you are not alone. On the morning of March 23, 2026, millions of travelers, commuters, and concerned family members were confronted with alarming breaking news from one of New York City’s most heavily trafficked airports. An Air Canada Express regional jet struck a Port Authority fire truck while rolling down the runway, triggering a complete airport shutdown, the diversion of nearly two dozen flights, and the hospitalization of at least two airport personnel. This article walks you through everything that is currently known — from the sequence of events on the runway to what travelers should do if their flights have been affected.

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What Happened at LaGuardia Airport on March 22, 2026?

Late on Sunday night, March 22, 2026, Air Canada Flight 8646 — operated as an Air Canada Express CRJ-900 regional jet by Jazz Aviation — touched down at LaGuardia Airport after flying in from Montreal-Trudeau International Airport. The aircraft had already landed on Runway 4 and was still decelerating down the runway when it struck a Port Authority ground vehicle, later identified as a fire truck, at approximately 11:38 p.m.

The New York City Fire Department confirmed that it dispatched emergency crews to the scene after a reported collision between the aircraft and a ground vehicle on Runway 4. Aviation tracking platform Flightradar24 indicated that the plane was traveling at close to 24 mph, or about 39 km/h, at the moment of impact. The front section of the aircraft sustained significant structural damage, which was captured in multiple bystander videos that quickly circulated across social media platforms.

The flight had been carrying more than 100 passengers from Montreal before the incident brought everything to a sudden and dangerous halt.

Who Was Injured in the LaGuardia Plane Crash?

At least two individuals sustained serious injuries and were rushed to area hospitals following the collision. A source familiar with the situation confirmed to ABC News that both injured parties were Port Authority police officers who had been assigned to firefighter duty at the airport — one holding the rank of sergeant and the other serving as a patrol officer.

Emergency medical crews evaluated passengers directly on the tarmac after they were evacuated from the aircraft. A number of those passengers were expected to receive treatment at nearby hospitals for minor injuries. Meanwhile, additional reports emerging from the scene suggested that other airport personnel may also have been hurt during the incident, though complete and officially verified injury counts had not been released as of early Monday morning. Authorities were expected to provide a more detailed briefing as daylight broke.

What Caused the Air Canada Crash at LaGuardia?

As of this writing, no official determination of cause has been made, and the crash remains under active investigation. However, early evidence — including audio recordings from air traffic control — already paints a troubling picture. According to reporting from ABC News, the Port Authority ground vehicle involved in the collision had properly requested clearance before crossing Runway 4 at Taxiway Delta. That clearance was granted by the air traffic controller on duty.

What makes the situation particularly alarming is what happened next. In the seconds immediately preceding the crash, the same controller can be heard on those recordings issuing repeated commands for the vehicle to stop. Despite those urgent warnings, the collision still occurred. This raises several serious questions: Was there a communication failure? Did the vehicle operator receive the stop command in time? Was there a mechanical issue that prevented the truck from halting?

Investigators from the Federal Aviation Administration and the National Transportation Safety Board — the agency responsible for leading civil aviation accident investigations in the United States — are expected to examine all of these possibilities thoroughly. New findings are likely to emerge over the coming days and weeks.

How Did the LaGuardia Crash Affect Airport Operations?

The operational fallout at LaGuardia was swift and far-reaching. The FAA immediately issued a ground stop covering all aircraft scheduled to depart to or arrive at LGA. The initial closure was set to remain in effect until approximately 5:30 a.m. GMT on March 23, though conditions on the ground continued to evolve. Flights already airborne and bound for LaGuardia were diverted mid-route, while departures were held at their origin airports.

A total of at least 18 flights were diverted away from LGA, with the majority redirected to John F. Kennedy International Airport in Queens or Newark Liberty International Airport in New Jersey. Airlines began notifying passengers of delays, cancellations, and rebooking options, urging travelers to monitor their apps and websites before making their way to any New York-area airport.

For anyone with a LaGuardia flight on March 23, here are the most practical steps to take immediately:

Visit your airline’s website or mobile app to check current flight status and explore rebooking options without waiting on hold.
Call your airline’s customer service line directly to join a rebooking queue, especially if your travel plans are time-sensitive.
Track updates through the FAA’s official systems at fly.faa.gov to stay informed about ground stops and airport reopening timelines.
Reach out to your travel insurance provider to understand your coverage options in the event of significant trip disruption or delay.

LaGuardia Airport’s Track Record With Runway Incidents

Troublingly, the Air Canada collision is not an isolated event at LaGuardia. The airport has seen a notable pattern of ground incidents in recent years, drawing concern from aviation safety advocates and federal regulators alike.

In November 2025, two United Airlines aircraft carrying a combined 343 passengers made contact with each other on the taxiway at LGA. High winds and reported staffing shortages among air traffic controllers were cited as contributing conditions. While no passengers or crew were injured, the incident exposed deeper vulnerabilities in how the airport manages traffic during adverse conditions.

Just a month earlier, in October 2025, two regional jets operated under a Delta Air Lines subsidiary collided on the ground at LaGuardia. That incident resulted in a flight attendant being taken to the hospital, underscoring the very real human cost of even low-speed ground accidents.

Aviation safety researchers have long identified runway incursions — situations where an aircraft or vehicle enters an active runway without authorization or contrary to instructions — as among the most serious hazard categories in commercial aviation. The FAA and airport operators nationwide have dedicated programs aimed at reducing these events, but airports with limited physical space, dense traffic schedules, and aging infrastructure, as is the case with LaGuardia, continue to face inherent challenges.

What Will Investigators Focus On?

The NTSB investigation into the LaGuardia plane crash will be methodical and wide-ranging. Based on standard investigative frameworks applied to similar incidents, here are the key areas that will receive the closest scrutiny:

Air Traffic Control Audio and Transcripts: The recordings capturing the ground vehicle’s clearance — and the subsequent stop commands — will be analyzed in exhaustive detail. Investigators will assess the clarity of communications and the timing between each transmission.

Runway Incursion Procedures: Investigators will review whether all established safety protocols governing vehicle movements across active runways were properly implemented, both by the controller and by the vehicle operator.

Vehicle Response and Braking Capability: The question of why the fire truck failed to stop in time is central to the investigation. Possibilities include a mechanical failure, a miscommunication, or a delayed reaction by the driver.

Flight Data and Cockpit Recorders: Data extracted from the CRJ-900’s flight data recorder and cockpit voice recorder will help establish the aircraft’s speed, trajectory, and crew response in the final moments before impact.

Aviation accident investigations of this complexity typically require between 12 and 18 months before a final report is published. That said, the NTSB often releases preliminary findings and interim safety recommendations well before the full investigation concludes.

FAQ:

1.Is LaGuardia Airport currently open? LaGuardia Airport was closed in the early hours of March 23, 2026, following the runway collision involving the Air Canada Express jet. A ground stop was issued by the FAA, with the airport initially expected to remain closed until approximately 5:30 a.m. GMT. Travelers are strongly advised to check the FAA’s official system or their airline’s app for the most up-to-date status before traveling to LGA.

2.Were there any fatalities in the LaGuardia Air Canada crash? Based on early reports, no fatalities have been confirmed. At least two Port Authority police officers were seriously injured and hospitalized. Some early accounts hinted at a broader number of casualties, though those figures had not been officially verified. The situation remains fluid, and authorities are expected to provide updated information as the investigation progresses.

3.Which aircraft was involved in the LaGuardia crash today? The plane involved was an Air Canada Express CRJ-900 regional jet, operated by Jazz Aviation under contract with Air Canada. The flight, designated as Air Canada Flight 8646, had departed from Montreal-Trudeau International Airport and was completing its landing roll at LaGuardia when the collision took place.

4.What should affected travelers do if their flight was diverted? Travelers whose flights were diverted or cancelled should contact their airline directly for rebooking assistance. Under irregular operations policies, most major airlines suspend change and cancellation fees. John F. Kennedy International Airport and Newark Liberty International Airport are both handling redirected LGA traffic.

5.Which agency is leading the investigation into the LaGuardia crash? The National Transportation Safety Board is the lead investigating authority for civil aviation accidents in the United States. The FAA is also involved in a supporting capacity. Both agencies are expected to have personnel on-site at LaGuardia to begin gathering physical evidence, conducting interviews, and reviewing all relevant operational data.

Stay Updated and Plan Your Travel Carefully

The LaGuardia Airport crash on the night of March 22, 2026 represents a serious aviation safety event — one that has grounded flights, injured airport personnel, disrupted thousands of travel plans, and opened urgent questions about runway safety practices at one of the nation’s busiest commercial airports. While the full story is still unfolding, the early evidence points to a breakdown in ground traffic coordination that investigators will work diligently to understand.

For travelers navigating the disruption, staying in close contact with your airline and monitoring official FAA channels is the single most effective thing you can do. For those following this story from an aviation safety perspective, the NTSB’s findings — when they are released — will offer crucial insights into how this collision occurred and what changes may be needed to prevent a similar event in the future.

Bookmark this page for continued updates as the investigation moves forward. For live flight status, visit the FAA’s Air Traffic Control System Command Center at fly.faa.gov, or navigate directly to your airline’s official website.