public List<Destination> GetRoutelog(DateTime from, DateTime to)
        {
            var result = new List<Destination>();
            var index = 0;
            do
            {
                if (RouteLog[index].Arrival >= from && RouteLog[index].Arrival <= to && RouteLog[index].Departure >= from && RouteLog[index].Departure <= to)
                {
                    result.Add(RouteLog[index]);
                }
            } while (index < RouteLog.Count);
            return result;
        }