Southwest Airlines on Monday said it has added cockpit safety alerts to nearly its entire fleet of 800 aircraft. The safety alert system, designed by Honeywell, sets off verbal and text warnings if a pilot is about to use the wrong runway or approaches too fast for landing. It’s like the alert systems used in many modern cars, dinging when a driver edges too close to another car, person or curb. “Honeywell’s SmartRunway and SmartLanding software…