United Airlines has begun terminating flight attendants who fail to show up at their assigned base while on reserve status, sparking a labor dispute with the union representing cabin crew. The Association of Flight Attendants contends that United exceeded its contractual authority and violated the collective bargaining agreement by firing these workers without proper grievance procedures. The airline maintains the dismissals comply with contract terms requiring flight attendants to be physically present at their base during reserve periods to respond quickly to flight assignments.

This move reflects United's push to tighten operational discipline and crew scheduling efficiency. Flight attendants on reserve status must remain available to work last-minute assignments, and United argues that absence from base undermines this system. However, the union disputes the airline's interpretation of what constitutes a violation and the punishment's severity, suggesting this could trigger formal grievance filings or arbitration.

The dispute emerges as United also grapples with passenger complaints about carry-on baggage management and cabin cleanliness standards. The airline has faced mounting criticism over crowded overhead bins and inconsistent aircraft sanitation, adding pressure to operations already strained by crew scheduling demands.

Separately, Delta Air Lines announced significant expansion plans for Los Angeles International Airport, doubling down on the market with increased frequencies and new routes. Delta now operates one of LAX's largest networks, competing directly with American and United on cross-country and international flights from the West Coast hub.

In airport technology news, a humanoid robot made its debut walking through a major airport terminal, part of broader industry experiments with automation for wayfinding assistance and passenger information services. Airports continue testing robotics to enhance customer experience and potentially address labor gaps.

These developments underscore growing tensions between legacy carriers and unions over scheduling practices, while illustrating how airlines compete aggressively on capacity and modernize operations through technology. Travelers should expect continued labor negotiations affecting crew reliability and service consistency.