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ATM network performance: Brisbane

Airborne delay

The 75th percentile performance figures for airborne delay at Brisbane are indicated in Figure 10. May performance met the target for the 75th percentile (3.3 minutes) but not the median (0.9 minutes). Compared to the same month last year, there was a decrease in the airborne delay 75th percentile performance (from 3.5 minutes) and no change to the median.

The long-term (48‑month) trend for airborne delay at Brisbane is downwards.



Figure 10: Brisbane airborne delay 75th percentile (last 24 months)

Notable events

Table 6 describes the notable airborne delay events during May in Brisbane.

Day Local Time Delay

(minutes – 75th percentile)

Event Descriptions

(Contributing causes to increased delays)

24 May 17-18 5.4 Concentration of demand due to late departures from Melbourne flights experiencing taxi delay.

Table 6: Notable event descriptions for Brisbane.