UK daily mail saying the incident happened on landing.

'Settle down, Captain Happy': Shocking audio revealed of heated exchange between a Delta pilot and air traffic controller

By Joshua Gardner
03:28 28 Jul 2014
The argument occurred as the pilot landed on the wrong runway at the Atlanta airport

The pilot took offense at what he called the controller's 'bad attitude' over the mistake

Shocking audio of a heated exchange between a Delta pilot and an air traffic controller has flyers wondering just who's in charge of keeping them safe during air travel.

All the more disturbing is the time when moment the argument occurred: just as the pilot was landing the jet at the Atlanta airport on the wrong runway.

'Like, oh my God, there's another plane out there like six miles away,' mocks the pilot.