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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. January performance did not meet the target for the median (0.7 minutes), but did meet the target for the 75th percentile (3.3 minutes). Compared to the same month last year, there was an increase in the airborne delay median performance (from 0.2 minutes) and the 75th percentile (from 2.2 minutes).

Brisbane airborne delay

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

Distinctive events

Table 5 describes the distinctive events during January in Brisbane.

Day Event Category Delay
(minutes – 75th percentile)
Event Descriptions
(Contributing causes to increased delays)
20 January Notable 6.0 Afternoon: Thunderstorm activity in the terminal area. Two go-arounds. Concentration of demand due to off-schedule internationals and non-compliant flights.
21 January Significant 7.4 Afternoon: Thunderstorm activity in the terminal area. Concentration of demand due to off-schedule internationals and non-compliant flights.

Table 5: Distinctive event descriptions for Brisbane.