At least five people were killed and five others injured after an Amazon Prime Air cargo aircraft overran a runway at Miami International Airport and crashed into vehicles outside the airport, triggering a major federal investigation into one of the deadliest U.S. aviation accidents of 2026. Prime Air Flight 7598, a Boeing 767-300 freighter operated by cargo carrier 21 Air on behalf of Amazon.com, was arriving from San Juan, Puerto Rico, when it failed to stop after landing shortly before 2 p.m. on September 6. The aircraft crossed beyond the usable runway, struck multiple vehicles and caught fire, leaving emergency crews dealing with trapped victims, burning wreckage and a fuel leak. Federal investigators were at the scene on September 7 examining whether the aircraft touched down too far along the runway, whether its speed or braking performance contributed to the overrun and whether weather or mechanical factors played a role.
Three of the five injured people remained in critical condition as authorities continued working to determine exactly how the landing turned into a fatal crash. The identities of those killed had not initially been released, while officials also had not confirmed whether all of the fatalities occurred aboard the aircraft or involved people in vehicles struck outside the runway. The crash temporarily brought operations at one of the United States' busiest airports to a halt and continued to cause severe flight disruptions into Monday as investigators secured portions of the airport for their work.
The investigation is expected to focus heavily on the final seconds of the Boeing 767's approach and landing. Video of the incident appeared to show the aircraft remaining airborne well into the runway before touching down, raising questions about whether the crew had enough remaining distance to safely stop the aircraft or whether a go-around should have been initiated before the landing continued.
What happened when Amazon Prime Air Flight 7598 overran the runway in Miami?
Prime Air Flight 7598 was arriving at Miami International Airport from Luis Muñoz Marín International Airport in San Juan when the aircraft overran one of Miami's runways shortly before 2 p.m. local time. The Boeing 767-300 continued beyond the airport perimeter area and struck vehicles on the ground before coming to rest near surrounding roads and commercial properties.
Miami-Dade Fire Rescue deployed more than 60 units and approximately 200 emergency personnel to the crash site. Firefighters faced several simultaneous challenges, including an aircraft fire, leaking fuel, people trapped inside vehicles and the pilot and co-pilot trapped in the cockpit. Rescue crews also had to free at least one person who was pinned beneath a vehicle.
Images from the scene showed the freighter largely intact but resting with its nose down and its tail elevated, with visible fire damage along part of the aircraft. Thick black smoke could be seen rising from the crash area shortly after the accident as emergency teams worked around the aircraft and damaged vehicles.
Flight-tracking data cited by Reuters indicated that the aircraft was traveling at approximately 112 knots, equivalent to about 129 mph, when it left the usable portion of the runway. Investigators will need to determine whether that speed reflected an unusually late touchdown, inadequate deceleration, a braking or mechanical problem, environmental conditions or a combination of factors.
Authorities emphasized that determining the cause will require analysis of flight data, cockpit recordings, aircraft systems, maintenance records, weather information and the actions taken by the flight crew. Early observations about speed or touchdown position therefore do not establish why the accident happened.
Why investigators are examining where the Boeing 767 touched down on the runway
One of the central questions facing the National Transportation Safety Board is likely to be where along the runway the aircraft first made contact with the ground. Aviation specialists reviewing available video said the Boeing 767 appeared to remain airborne for an extended period after crossing the runway threshold, potentially reducing the distance available for braking.
Commercial aircraft typically aim to land within a designated touchdown zone near the beginning of a runway. Aviation experts cited by the Associated Press said a conventional touchdown zone extends through roughly the first 3,000 feet of runway, although the precise acceptable landing distance depends on aircraft performance, runway conditions and operational circumstances.
If investigators determine that Flight 7598 touched down significantly beyond its expected landing zone, they are likely to examine why the crew continued the landing rather than initiating a go-around. A go-around allows an aircraft to climb away from the runway and attempt another approach when pilots determine that a safe landing is no longer assured.
Former U.S. Transportation Department Inspector General and pilot Mary Schiavo said the available footage appeared to show the aircraft floating above the runway longer than expected. Investigators are expected to analyze whether wind conditions, aircraft speed or another factor contributed to the extended float before touchdown.
Strong winds and dark storm clouds were reported around the airport, although it was not raining at the time of the crash. A tailwind can increase an aircraft's ground speed and the runway distance required to stop, making weather conditions one of several factors investigators will assess rather than an established cause of the accident.
The National Transportation Safety Board investigation will also examine the aircraft's braking system, tires, thrust reversers and other components involved in slowing a large jet after touchdown. Investigators are expected to reconstruct the landing second by second using flight data and cockpit recordings before reaching conclusions about whether pilot actions, aircraft systems or external conditions contributed to the crash.
Miami airport runway safety systems could become part of the federal investigation
The crash is also drawing attention to systems designed to reduce the consequences when an aircraft runs beyond the end of a runway. Some U.S. airports use engineered materials arresting systems, commonly known as EMAS, consisting of crushable material positioned beyond runway ends that can rapidly slow an aircraft that overruns the paved surface.
Miami International Airport does not have such a system at the runway involved in the accident. However, former Federal Aviation Administration airport safety official Mike O'Donnell said the airport appeared to comply with federal requirements because its runway has approximately 1,000 feet of safety area beyond the end.
Federal aviation authorities have said engineered arresting systems installed at more than 120 U.S. airports have helped prevent fatalities during previous runway overruns. Their effectiveness could lead to renewed debate about whether airports meeting existing safety-area requirements should nevertheless consider additional arresting technology at runways surrounded by busy roads or densely developed areas.
That question could become particularly relevant in Miami because the aircraft traveled beyond airport property and struck vehicles. Large airports are often surrounded by roads, warehouses, parking areas and other commercial developments, meaning a runway excursion can endanger not only passengers and crew but also people outside the airport perimeter.
Investigators will first establish the mechanical and operational cause of the Miami crash before broader infrastructure conclusions are drawn. Even so, major aviation accidents frequently prompt regulators and airport operators to reconsider whether existing safety standards adequately address low-probability but high-consequence events.
Aircraft history and Amazon cargo operations will also face scrutiny after the crash
The aircraft involved was a 32-year-old Boeing 767-300 that originally entered service as a passenger jet in 1994 before being converted into a freighter in 2015. The aircraft had operated for multiple airlines during its service life before becoming part of the cargo operation supporting Amazon's logistics network.
Aircraft age alone does not indicate that a plane is unsafe, particularly in commercial aviation where older aircraft can continue operating for decades if they meet maintenance and inspection requirements. Investigators will nevertheless examine the aircraft's maintenance history, recent repairs, system performance and any previous technical issues as part of the standard accident investigation.
The flight was operated by North Carolina-based cargo carrier 21 Air on behalf of Amazon.com rather than directly by Amazon. Amazon relies on contracted carriers to operate much of its Prime Air network, which has become an important component of the company's effort to move packages rapidly between fulfillment centers and major metropolitan markets.
Amazon said it was cooperating with authorities and indicated that its immediate focus was supporting those affected by the accident. 21 Air also expressed condolences to the families of those killed and said it would support the investigation. Both statements reflected the early stage of the investigation, when companies typically avoid drawing conclusions before federal investigators determine the sequence of events.
The accident is not the first fatal crash involving an aircraft operating for Amazon's air cargo network. In February 2019, Atlas Air Flight 3591, another Boeing 767 freighter operating on behalf of Amazon, crashed into Trinity Bay in Texas while approaching Houston, killing all three people aboard. Investigators later attributed that accident to a different sequence of circumstances involving crew actions and loss of control. The Miami crash will therefore be evaluated independently, but its occurrence will likely increase scrutiny of flight operations across the rapidly expanding U.S. air cargo sector.
Miami International Airport faces major flight disruption as the investigation continues
The immediate consequences extended well beyond the crash site. Miami International Airport temporarily halted all flight operations after the accident before gradually reopening later Sunday, while investigators and emergency crews continued working near the damaged aircraft.
Disruption remained substantial on September 7. Reuters reported that inbound flights were experiencing average delays exceeding five hours by midday Monday, while 232 flights had been canceled during the previous 24 hours. Two of the airport's four runways remained closed Monday morning, contributing to cascading delays as aircraft and flight crews displaced by Sunday's cancellations struggled to return to their scheduled positions.
The disruption has wider significance because Miami International Airport is a major passenger gateway to Latin America and one of the most important freight airports in the United States. The airport handled nearly 3.5 million metric tons of freight in the previous year and ranked behind only Anchorage and Louisville among U.S. airports for cargo traffic.
The National Transportation Safety Board sent an investigative team led by Chair Jennifer Homendy to Miami and scheduled its first media briefing for September 7. Investigators are expected to remain at the scene while documenting wreckage, examining runway markings and collecting physical evidence before portions of the aircraft are removed.
A definitive cause is unlikely to emerge immediately. Major aviation accident investigations can take months or longer because investigators must reconcile physical evidence with recorded flight data, cockpit communications, maintenance documents, weather information and witness accounts.
The immediate questions are nevertheless becoming clearer. Investigators need to establish why a Boeing 767 approaching a major international airport remained unable to stop before leaving the runway, whether the landing should have been abandoned before touchdown and whether aircraft, crew, weather or airport factors combined to turn the incident into a deadly crash.
Key takeaways from the deadly Amazon Prime Air cargo plane crash in Miami
At least five people were killed and five others injured when Amazon Prime Air Flight 7598 overran a runway at Miami International Airport on September 6.
Three injured people were reported in critical condition as federal investigators began examining the crash.
The Boeing 767-300 cargo plane was operated by 21 Air on behalf of Amazon.com and was arriving from San Juan, Puerto Rico.
The aircraft struck multiple vehicles after leaving the runway, while firefighters encountered trapped victims, burning wreckage and a fuel leak.
Flight-tracking data indicated that the aircraft was still traveling at approximately 112 knots, or 129 mph, when it exited the usable runway.
Investigators are expected to focus closely on whether the aircraft touched down too far along the runway to stop safely and why a go-around was not initiated if the landing had become unstable.
Weather, wind, braking performance, aircraft systems, maintenance history and crew actions will all form part of the National Transportation Safety Board investigation.
Miami International Airport does not use an engineered materials arresting system on the runway involved, although aviation officials said the airport appeared to meet existing federal runway safety requirements.
Hundreds of flights were canceled or severely delayed as runway closures continued into September 7, demonstrating the wider impact of the accident on one of the country's busiest aviation hubs.
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