Passengers minimum 1 passenger flight is proceeded only if 3 4 passengers are present duration 70 90 min flight 4 5 hours including preparatory procedures timeflights normally take place early in the morning 1 or 2 hours after the sunrise and in the evening 1 or 2 hours prior to the sunset between 5 to 8 am and 6 to 9 pm weather conditions the hot air balloon flight is highly dependent on the weather clouds precipitation visibility and the wind force usually the weather con