To avoid flashing a loader if the loading is very fast, you could implement a minimum delay. There is no built-in API in @loadable/component but you could do it using p-min-delay.

import loadable from '@loadable/component'
import pMinDelay from 'p-min-delay'
// Wait a minimum of 200ms before loading home.
export const OtherComponent = loadable(() =>
pMinDelay(import('./OtherComponent'), 200)