Amazon has suspended all flights operated by 21 Air, the cargo carrier whose Boeing 767 freighter was involved in a fatal crash near Miami, pulling the operator from its air network while investigators examine the accident.

The decision grounds a regional workhorse of Amazon's contracted air cargo operation at a time when the e-commerce giant relies heavily on dedicated freighter capacity to move inventory between its fulfillment centers. NBC News reported the suspension, which follows the crash that killed at least one person aboard the aircraft.

The accident involved a 21 Air-operated cargo jet that went down shortly after departing Miami. The aircraft was flying under contract for Amazon Air, the company's branded air cargo network, which Amazon has built over the past decade by wet-leasing capacity from a roster of carriers rather than operating aircraft itself.

For Amazon, the immediate commercial consequence is a capacity gap on the US domestic and near-international lanes the 21 Air fleet served. Amazon Air has historically depended on contracted operators to fly its scheduled network, and pulling one of them mid-week forces the company to redistribute volumes across its remaining carriers or shift freight to truck and intermodal options — a slower and, on tight e-commerce timelines, more expensive substitute.

For forwarders and shippers, the suspension is unlikely to move market rates on its own; Amazon's air network primarily carries the company's own inventory rather than third-party freight. But it tightens available widebody freighter capacity in the Florida gateway, where Miami International Airport also serves as the main hub for Latin America-bound air cargo. Any prolonged investigation that keeps 21 Air aircraft on the ground would remove additional lift from an already supply-constrained regional market.

The suspension also puts a spotlight on Amazon's contractor model. The company has scaled back parts of its air network since the pandemic-era peak, when it rushed to add aircraft and operators to keep pace with surging online orders. Contracting out flying allowed rapid expansion, but each accident involving a partner carrier raises questions about oversight across a heterogeneous fleet flown by operators of varying size and safety record.

21 Air is one of several regional carriers Amazon has used to fly its branded freighters. The fatal Miami crash marks the most serious accident to date involving an aircraft operating for the Amazon Air network, and the National Transportation Safety Board's investigation will determine both the probable cause and, indirectly, how quickly the carrier can return to service.

Neither Amazon nor 21 Air has publicly indicated how long the suspension will last. The carrier's return depends on the pace of the federal investigation and Amazon's own review of the operator. Until then, Amazon must cover the affected routes with its remaining contracted carriers, and Miami-area air cargo users face one less freighter operator in the market.