When Captain Daly and Ben are in the simulator, the captain puts his headphones on behind his right ear. Between scenes, it changes from behind his ear to being on both ears.
When driving to the airport snow can be seen on the ground. When arriving at the airport there is green grass and no sign of snow.
As the airplane is caught in the storm Captain Daly decides to fly through the storm. He announces that he is 'increasing to 300 knots' but the average flight speed for a 737 is between 450 and 500 knots.
When the storm hits the copilot says "It isn't on any of the charts." Storms are not on charts. He might have said that there were no alerts or that it had not been detected by radar, but pilots are not shown printed weather charts.
When Captain Daly steals the jet, as he lines up and the view shows out of the windshield, a solid yellow line is visible. This means he is lining up on a taxiway rather than Runway 'Two-niner" , which would have thick white dashed lines for the center line, not a solid yellow line of a taxiway.
The imagery of the simulated storm is cinematic high definition, which takes more computing power than is found with flight simulators, plus the focus of the sims is to provide accuracy with key elements. The generation of ultra-realistic clouds is not a key element.
When Autumn shows up at Mick's door, the apartment behind her is number 420. But since Mick's apartment is number 414, the one across the hall would be an odd number.