Hmm, I don't fly EK that frequently and hadn't really noticed a big problem w/ the KHI flights.
However, I did an EK606/607 turnaround at the end of Dec (the day after BB had her chips). 606 was 30 mins late leaving DXB but still arrived at the gate in KHI 5 mins ahead of schedule. Meanwhile the return (607) that afternoon left KHI about 90 mins late and arrived in DXB about an hour behind schedule.