Airservices is Australia's air navigation service provider - we provide air traffic control, aviation rescue and fire fighting and air navigation services.

Network wide performance

Airborne delay

The combined median and 75th percentile airborne delay at the four major airports is indicated below. Figure 2 indicates that the long-term trend is upwards.

Figure 2: Long-term airborne delay (median and 75th percentile) for January 2014 to May 2018 with corresponding targets.

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The individual long-term trends of the 75th percentile airborne delay for each of the four major airports are depicted in Figure 3. For each curve, the long-term trend is represented by the thick dashed line; the thin dashed lines provides an indication of the confidence of the trend.

The trends for Sydney and Melbourne are upwards. More detailed analysis for each airport is presented later in this report.

Figure 3: Long-term airborne delay 75th percentile by airportĀ (July 2014 to May 2018)

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