A passenger refused to remain in his seat in economy class and kept visiting the business-class cabin, the aviation blog Live and Let's Fly reported.
United Flight Turns Around Mid-Air After Two Passengers Sneak Into
Outrage in the skies: Are airline passengers getting more unruly
United Airlines Makes 6 Hour Flight To Nowhere After Passenger
United Airlines economy class review - The Points Guy
Economy Plus United Airlines
In Defense Of United Airlines CEO Scott Kirby: Those Calling On
Passenger downgraded from business class due to seat issue - AeroTime
Flight cancellations continue due to grounded Max 9s
Woman banned from United Airlines over wine uproar
United Airlines Flight Diverts Due To Self-Upgraders - One Mile at
United Airlines offers passengers hit by cancelation chaos 30,000
Aging, outdated technology leaves air travel at risk of meltdown