DDI-G - Delay Difference Indicator - Group

The Delay Difference Indicator - Group (DDI-G) provides an order of magnitude of the deviation between the scheduled turnaround time and the actual observed turnaround times.

$$ \mathrm{DDI-G} = \mathrm{Actual\ Ground\ Time} - \mathrm{Scheduled\ Ground\ Time} \ [min] $$

See Also