Background: The advent of online fast-food delivery applications has transformed the food industry, providing consumers with unprecedented convenience and choice in ordering their favourite meals, which can be attributed to advancements in technology and changing consumer preferences. Methodology: A cross-sectional, community-based study was conducted with an estimated minimum sample size of 385, targeting the adult Saudi population. A Self-administered, structured questionnaire was used for data collection. The quantitative data was collected through an online survey. Results: We found usage of online food delivery application to be 65% among our study population. The most common frequency pattern of online food delivery was observed to be 1-2 times per month reported by 19.7% respondents, followed by 2-4 times per week reported by 15.9%, while about 5.7% reported that they use online food delivery for 2-4 times per week. No statistically significant association was observed between usage online fast-food delivery and age, gender, educational level, employment status and marital status (p>0.05). Conclusions: We found widespread usage of online food delivery across different socio-demographic sub-groups.