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).
Figure 10: Brisbane airborne delay 75th percentile (last 24 months)
Table 5 describes the distinctive events during January in Brisbane.
(minutes – 75th percentile)
(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.