The 75th percentile performance figures for airborne delay at Perth are indicated in Figure 11. September performance for the median (-0.3 minutes) and the 75th percentile (1.6 minutes) met the targets. Compared to the same month last year, there was no change in the airborne delay median performance (from -0.3 minutes) and an increase in 75th percentile performance (from 1.4 minutes).
The 24-month trend for airborne delay at Perth is upwards.
Figure 11: Perth airborne delay 75th percentile (last 24 months)
Table 8 describes the notable airborne delay events during September in Perth.
(minutes – 75th percentile)
(Contributing causes to increased delays)
|12 September||10-11||2.7||Concentration of demand due to non-compliant flights.|
Table 8: Notable event descriptions for Perth.