Abstrak Peningkatan derajat kesehatan dapat dicapai melalui kemudahan akses terhadap fasilitas kesehatan. Peningkatan peserta pada program jaminan kesehatan nasional mengakibatkan antrian panjang di sarana pelayanan kesehatan. Penelitian ini bertujuan untuk menganalisis pengaruh metode Appointment registration system (ARS) terhadap waktu tunggu dan kepuasan pasien. Metode penelitian yang digunakan adalah survei dengan sampel 380 orang dan observasi pada bulan Desember 2014 di RS Al Islam Bandung. Analisis menggunakan structural equation modeling (SEM) dan production operation management-quantitative methods (POMQM). Hasil penelitian yaitu konsisi pelaksanaan ARS (60,7%), waktu tunggu (59,1%) dan kepuasan pasien (67,3%) termasuk dalam kategori cukup. Terdapat pengaruh positif dan signifikan ARS terhadap waktu tunggu (51,84%), pengaruh positif dan signifikan waktu tunggu terhadap kepuasan pasien (25%), dan total pengaruh ARS terhadap kepuasan pasien (16,79%). ARS dapat menurunkan waktu tunggu secara efektif namun tidak semua metode ARS dapat menurunkan waktu tunggu. Pasien RSAI merasa cukup puas terhadap pendaftaran appointment dan waktu tunggu. Kata kunci: Appointment registration system, kepuasan pasien, waktu tunggu THE INFLUENCE OF OUTPATIENT APPOINTMENT REGISTRATION SYSTEM TO WAITING TIME AND ITS IMPLICATION TO PATIENT SATISFACTIONS Abstract Health improvement can be achieved through accessibility to health services. An increased participants in the health insurance program (JKN) resulted in a long queu in the hospital. This research aim to analize influence of appointment registration system (ARS) to waiting time and patient satisfaction. Research method using patient satisfaction survey in 380 subjects and observation on December 2014 at Al Islam Bandung Hospital. The result was analyzed using structural equation modeling (SEM) and production operation management-quantitative methods (POMQM). The results showed that the implementations of ARS (60,7%), waiting time (59,1%), and patient satisfaction (67,3%) were on moderate category. There was positive and significant influence of ARS to waiting time  (51,84%), There was positive and significant influence of waiting time to patient satisfaction (25%), and total influence of ARS to patient satisfaction are 16,79%. ARS could decreased waiting time significantly and effectively, but not all ARS methods could do the same. The patients in Al Islam Hospital had moderate satisfaction in appointment registration and waiting time.  Key words: Appointment registration system, patient satisfaction, waiting time Updated Version