United Airlines asks pilots to take voluntary unpaid leave, cites delays in Boeing deliveries

United Airlines is asking its pilots to take voluntary unpaid leave next month because of delays in Boeing deliveries, according to a memo sent to pilots.Because of an anticipated shortage of airplanes, “our forecasted block hours for 2024 have been reduced and we are offering our pilots voluntary programs for the month of May to reduce excess staffing,” United said in a statement to The Post.Block hours — the key industry measure for aircraft use — include the time from the moment the aircraft door closes ...