The figures for Dubbo, which are based on QantasLink and Regional Express (Rex) passenger services, also indicated that Rex outdid its competitor when it came to on-time performance.

The Domestic Airline On Time Performance Report for May 2013, released by the Bureau of Infrastructure, Transport and Regional Economics, showed Port Lincoln in South Australia topped the list of Australian airports for both on time departures (92.3 per cent) and on time arrivals (91.3 per cent).

When it came to arrivals at Dubbo airport, 73.6 per cent were on time, while the figure was 79.7 per cent for departures.

Dubbo airport last made a top 10 list in February when it achieved 10th place with a score of 80.8 per cent for on-time arrivals for that month.

When it came to individual airline performance in May, Regional Express (Rex) outdid QantasLink's on-time percentage for both Dubbo to Sydney and Sydney to Dubbo routes.

For the Dubbo to Sydney route, each of the two airlines had one cancellation during the month.

Figures showed 150 of the 162 Rex departures on that route departed on time (92.6 per cent) compared with 81 of 128 QantasLink flights (63.3 per cent).

On that same route, 142 Rex flights arrived on time (87.7 per cent) compared with 76 QantasLink flights (59.4 per cent).

For the Sydney to Dubbo route in May, QantasLink had one cancellation and Rex none.

Of the 128 QantasLink flights, 84 departed on time (65.6 per cent). On that route, 75 QantasLink flights arrived on time (58.6 per cent).

Of the 160 Rex flights, 138 departed on time (86.3 per cent) and 137 arrived on time (85.6 per cent).