GoAstrologer analysed 1000 questions to figure out how long the average question takes to answer. The median wait time is around 5 hours. 25% questions get answered within 2.5 hours and 75% within 13 hours. Only 10% questions remain unanswered by 22 hours.
Note that repeat customers have questions answered much faster with a median time of 2 hours. It takes a bit longer on weekends and holidays.