1. A delivery service or shipment that is inconsistent, unpredictable, or cannot be depended upon to arrive on time or in good condition
The courier company has a reputation for unreliable delivery, often missing promised deadlines.
A empresa de entrega tem reputação de entrega não confiável, frequentemente perdendo os prazos prometidos.
2. A failure to consistently meet delivery commitments or quality standards
Customers complained about unreliable delivery of their online orders.
Os clientes reclamaram sobre a entrega não confiável de seus pedidos online.