Despite what the article says, there was no loss of seperation in these incidents. Sometimes plans don't go according to planned. No big deal.


".....possibly delaying the flight by 30 minutes, he said. "

Not sure why that line is in the story. It only takes 10 minutes to go around and do another approach.
For the AC flight that's 10 minutes less they'd have to wait for marshallers at the gate.