Transportation Secretary Sean Duffy said he has a plan to upgrade old air traffic control tech but warned more flight disruptions could come first.

Airlines will meet with the Federal Aviation Administration Wednesday to address weeks of delays at Newark Liberty International Airport following air traffic control staffing and equipment issues.

CHICAGO (Reuters) -United Airlines is facing a financial hit and potential long-term reputational harm as flight delays and cancellations pile up due to ongoing disruptions at Newark airport - one of its largest hubs and among the busiest in the country.

United Airlines Holdings expects flight reductions at Newark airport to linger through summer and into fall as the crucial travel hub struggles to recover from air traffic control glitches that have already disrupted hundreds of flights.

United Airlines cancels multiple Pittsburgh-Newark flights due to FAA staffing shortages and airport issues. Delays and more cuts expected.

One air traffic controller (ATC) and a trainee will operate every flight in and out of Newark between 6.30pm-9.30pm — despite 15 staffers being the standard requirement for a shift.

US aviation safety regulators formed an emergency task force to address technology breakdowns that briefly blinded air traffic controllers guiding planes in and out of Newark airport in recent weeks.