Flight delays are frequent nowadays and it causes major loss for Air New Zealand. The research analyzed various authors views that contributed to the flight delay in Air New Zealand. The delay in flight is directly related to the operation timelines. Air New Zealand should be able to precisely project for their capacity, to avoid congestion in the airports. The flight distance, season, weekday, arrival time and the time spacing between two successive arriving flights are found to contribute to the arrival delay. The main aim of the paper is to analyze various other factors involved in Air New Zealand such as incompetence of aviation systems, inefficiency in handling bad weather, miscommunication between team members, failure to meet aviation rules etc. The weather conditions are found to be the most significant factors that influence the arrival delay due to the destination airport. In the light of this, this study employed the use of secondary research method to collect the various factors that contributed to flight delay in Air New Zealand.