Production delays at Boeing BA are hurting the fleet-related plans of airlines in the United States. This was echoed by airline heavyweights at the JPMorgan investor event. As a result of the crisis engulfing the plane manufacturer, airlines are being forced to cut their flight schedules. To this end, Southwest Airlines ' LUV management stated that it was advised by Boeing to expect 46 737-8 jets in 2024 compared with the earlier stated 79 737 MAX jets, which included 58 MAX 8 planes. Delta Air Lines DAL does not expect the Boeing 737 Max 10 planes to be delivered before 2027. Previously, DAL anticipated the planes to get delivered from 2025 onward. American Airlines AAL increased its fuel cost per gallon projection for first-quarter 2024. Copa Holdings ' CPA February traffic report was impressive, driven by an upbeat air-travel demand. Read the last Airline Roundup here.