Commonly used to refer to a delay in time or progress.
El retardo en la entrega del paquete causó mucha frustración entre los clientes que esperaban ansiosos.
The delay in the package delivery caused a lot of frustration among the customers who were waiting eagerly.
El retardo en la entrega del paquete causó inconvenientes inesperados.
The delay in the delivery of the package caused unexpected inconveniences.