I was looking at booking 07 May departure and then compared that departure of 1005 with FlightAware data over the past 10 days. Perhaps it was an incorrect assumption that the schedule would be the same. So, I am pleased that it more or less does leave on time. Tomorrow's schedule is 1125. That's a trap for young old players. Did I not allow for daylight saving or is just a schedule change?
[TABLE="class: fullWidth, width: 1500"]
[TR]
[TD="class: mainHeader, colspan: 7"]ACTIVITY LOG
[/TD]
[/TR]
[/TABLE]
[TABLE="class: prettyTable fullWidth tablesaw tablesaw-stack, width: 0"]
[TR]
[TH="class: alignleft"]Date[/TH]
[TH="class: alignleft"]Aircraft[/TH]
[TH="class: alignleft"]Origin[/TH]
[TH="class: alignleft"]Destination[/TH]
[TH="class: alignleft"]Departure[/TH]
[TH="class: alignleft"]Arrival[/TH]
[TH="class: alignleft"]Duration[/TH]
[/TR]
[TR="class: smallActiverow1 rowClickTarget, bgcolor: #FAE051"]
[TD="class: nowrap"]
14/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:55 AEDT[/TD]
[TD]
17:25 HKT[/TD]
[TD]On The Way![/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
13/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:52 AEDT[/TD]
[TD]17:17 HKT[/TD]
[TD]8:25[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget"]
[TD="class: nowrap"]
12/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]12:09 AEDT[/TD]
[TD]17:36 HKT[/TD]
[TD]8:27[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
11/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:49 AEDT[/TD]
[TD]17:38 HKT[/TD]
[TD]8:49[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget"]
[TD="class: nowrap"]
10/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:43 AEDT[/TD]
[TD]17:27 HKT[/TD]
[TD]8:44[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
09/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:47 AEDT[/TD]
[TD]17:39 HKT[/TD]
[TD]8:51[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget"]
[TD="class: nowrap"]
08/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:29 AEDT[/TD]
[TD]17:22 HKT[/TD]
[TD]8:52[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
07/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:40 AEDT[/TD]
[TD]17:39 HKT[/TD]
[TD]8:58[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget, bgcolor: #F3ED86"]
[TD="class: nowrap"]
06/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:52 AEDT[/TD]
[TD]17:31 HKT[/TD]
[TD]8:38[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
05/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]12:01 AEDT[/TD]
[TD]17:50 HKT[/TD]
[TD]8:49[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget"]
[TD="class: nowrap"]
04/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:49 AEDT[/TD]
[TD]17:40 HKT[/TD]
[TD]8:51[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
03/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]12:16 AEDT[/TD]
[TD]17:43 HKT[/TD]
[TD]8:27[/TD]
[/TR]
[TR="class: smallActiverow1 rowClickTarget"]
[TD="class: nowrap"]
02/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]12:00 AEDT[/TD]
[TD]17:33 HKT[/TD]
[TD]8:33[/TD]
[/TR]
[TR="class: smallActiverow2 rowClickTarget, bgcolor: #F5F5F5"]
[TD="class: nowrap"]
01/02/2016[/TD]
[TD]A388[/TD]
[TD]Sydney (
YSSY / SYD)[/TD]
[TD]Hong Kong Int'l (
VHHH / HKG)[/TD]
[TD]11:37 AEDT[/TD]
[TD]17:22 HKT[/TD]
[TD]8:45[/TD]
[/TR]
[/TABLE]
What are you using for your source for this departure time?
Looking at Flightradar24, and all of the departure times are approximately consistent with leaving the gate on time..the times FR24 shows are mostly take off times, which are about 20-25 minutes after departure time from the gate.