Must...Fly! is advising that he was seeing lightning bolts from the VA lounge at around 1950 AEDT tonight. He commented that as ought be theb case, not a soul was on the apron at SYD. This means no baggage handling, tugs, catering...
These delays will inevitably affect passengers at all Australia's major, and many minor, airports.
Unfortunately afternoon storms tend to result in staff, and sometimes aircraft, being where they shouldn't be at the end of the night (or in staff's case, due to fatigue regulations, maybe unable to work next day as rostered). So tomorrow one could expect that many passengers will be delayed.