Learn Spanish (Latin America): Ya tengo todo el viaje planificado.

While he planificado focuses on the action of planning that you completed in the past, the tener + past participle structure emphasizes the result or current state of that action. It highlights that right now, you possess a fully planned trip.

Does planificado have to agree with el viaje here?

Yes! Unlike the present perfect with haber where the participle never changes, in the tener + past participle structure, the past participle acts like an adjective describing the direct object. Since el viaje is a masculine singular noun, you must use planificado. If you were talking about vacations (las vacaciones), it would be Ya tengo todas las vacaciones planificadas.

Could I say Ya tengo planificado todo el viaje instead?

Yes, you can put the past participle directly after the conjugated verb tener. Both word orders are perfectly natural in Spanish. Putting todo el viaje in the middle, as in the original sentence, just puts a little more emphasis on the trip itself.

Is there a difference between using planificado and planeado in this sentence?