<![CDATA[Currently, the Airbus A350-900 CGK-SIA Singapore Airlines aircraft at Soekarno-Hatta International Airport adheres to the airline's established ground time standard of 55 minutes and the International Air Transport Association (IATA) wide-body standard of 60 minutes. This research aims to analyze ground time to achieve on-time performance (OTP). The research method employs a quantitative approach, involving observation, literature review, interviews, and SPSS analysis, including normality test and one sample T-Test, to process the time from block on to block off for the Airbus A350-900 SQ958/959 CGK-SIA Singapore Airlines flights. The research findings indicate that the ground time for the Airbus A350-900 with flight number SQ958/959 by Singapore Airlines has consistently met the on-time performance (OTP) criteria over a seven-month period and aligns with the applicable standards. Based on the one sample t-test conducted using SPSS with test values of 55 and 60, the significance value (sig) is < 0.05, leading to the rejection of the Null Hypothesis (Ho) and the acceptance of the Alternative Hypothesis (Ha), indicating that the ground time duration meets the standards for achieving OTP.]]>
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