Single-aisle airliners are already super common on 6+ hours transcontinental flights in the US, and relatively common on shorter transatlantic flights from the

Single-aisle airliners are already super common on 6+ hours transcontinental flights in the US, and relatively common on shorter transatlantic flights from the US east coast to Europe (where the single-aisle 757 these jets are replacing are already used). Consumers seem to tolerate this just fine.