Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich Small talk?

Carla: 'Did you have a pleasant journey?' Davina: 'There was no hassle at all. Once we passed London it was plain sailing all the way here.'

it was plain sailing

Do you know what it means?

• there were only minor difficulties
• progress was easy
• the boat trailer caused no problems at all