Background: Emergency Installation Services are services that can provide prompt and appropriate actions to minimize the mortality and prevent the disability. One indicator of service quality is response time, this is an process indicator to achieve outcome indicators named survival. Emergency assistance has a standard service time known as response time which is maximum of 5 minutes. The response time in the Muhammadiyah Bantul IGD showed a decrease in target achievement by 99.63% in 2015 to 99.42% in 2017. The reduction in targeted achievement would have an impact on service quality Research Objective: To measure and analyze waiting time indicators in emergency installation Method: This research was a quantitative study with a cross-sectional approach. The population used in this study were patients who have used Emergency. Bivariate analysis in this study used t test and anova. Results and Discussion: The results showed the waiting time for patients entering triage, until the doctor's examination stage was in accordance with the minimum service standard guidelines of <5 minutes. The average examination time and total waiting time in the emergency room ranges from 1-2 hours (> 60 minutes). the univariate analysis obtained results in the form of a significant effect between the total waiting time and the severity of the patient (p = 0.00) and the reason for leaving the emergency room (p = 0.00). Conclusion: Factors of the severity of the patient's condition and reasons for leaving the emergency room have a significant effect on the waiting time of the emergency room. Age, sex, and level of education did not have a significant effect on response time and total waiting time at the emergency department.