30 major US airports with the most departure delays, ranked

LAX is one of the top airports in the US with departure delays. Qian Weizhong/VCG via Getty Images Flights are considered on time if they depart from the gate within 15 minutes of the scheduled time. Salt Lake City International Airport had the highest on-time departure performance. Meanwhile, Fort Lauderdale-Hollywood International Airport had the lowest. If you're hoping to get to your destination on time, the airport you fly from could make a difference. The following ranking is based on…