The 75th percentile performance figures for airborne delay at Perth are indicated in Figure 11. January performance for the median (-0.4 minutes) and the 75th percentile (1.6 minutes) met the targets. Compared to the same month last year, there was an increase in the airborne delay median performance (from -0.5 minutes) and an increase in 75th percentile performance (from 1.2 minutes).
Figure 11: Perth airborne delay 75th percentile (last 24 months)
Table 7 describes the distinctive events during January in Perth.
(minutes – 75th percentile)
(Contributing causes to increased delays)
|15 January||Notable||3.4||Afternoon: Wind required use of different runway to forecast with lower rates. No GDP.|
|16 January||Notable||3.6||Morning: Change to single runway operations due to aircraft failure (with hydraulic leak).|
Table 7: Distinctive event descriptions for Perth.