Data confidence level:
This FACT indicates the percentage of on time arrivals in each Australian capital city. According to the Bureau of Infrastructure and Regional Economics, the on-time performance is reported for all routes where the passenger load averages over 8000 passengers a month, and only if two or more airlines operate in competition. The data reports by airport against flights operated on those routes only. The capital city where you are most likely to arrive on time is Adelaide, at 86.2 percent.