Amazon has suspended use of 21 Air, the cargo carrier whose aircraft crashed off a runway in Miami, grounding a piece of the e-commerce giant's contracted lift network as investigators examine the accident.

The suspension removes 21 Air from Amazon's air cargo operation at least temporarily, a decision that comes in the immediate aftermath of the runway excursion. Amazon relies on a mix of contracted carriers to move freight through its hub network, and any pause in a partner's flying shifts capacity onto the remaining operators — ATSG's airlines, Atlas Air and others — or onto trucking and third-party lift.

The aircraft involved ran off the Miami runway. Details of the airframe's condition, the crew's status and the extent of any injuries or cargo damage were not specified in the initial reports. The FAA and NTSB routinely handle investigations of runway excursions of this type, and their findings will determine whether the suspension is lifted quickly or extended while the carrier's procedures come under review.

Amazon has not publicly detailed the scope or duration of the suspension, nor whether it affects all of 21 Air's flying or only specific routes. The company's pattern in past incidents involving contracted cargo operators has been to pause operations pending an initial review of the facts.

For 21 Air, the suspension is a significant commercial blow. Amazon contracts are the core of the carrier's business, and an extended grounding would put its fleet utilization and crew employment under pressure. For Amazon, the immediate consequence is a capacity gap in a network built on tight delivery-time promises, where air freight feeds regional sortation and last-mile operations.

The incident also renews attention on the structure of Amazon's air network, which depends heavily on contracted operators rather than in-house flying. Each suspension tests the resilience of that model: capacity can be reallocated, but not instantly, and peak-season volumes leave little slack.

The duration of the suspension will likely depend on the pace of the accident investigation and 21 Air's ability to demonstrate the airworthiness and operational soundness of its remaining operation to Amazon's satisfaction.