Airlines prioritize families with small children for "pre-boarding" in 2026 primarily to improve overall boarding efficiency. By allowing parents to get their strollers folded at the gate, secure car seats, and organize diaper bags before the "rush" of the main groups, the airline prevents a "bottleneck" in the narrow aisles. If a family tries to stow a bulky stroller while 150 other passengers are trying to reach their seats, it can cause a "cascading delay" that impacts the flight's scheduled departure. Furthermore, it is a significant safety and customer service measure; it gives children time to settle into a new environment and allows flight attendants to identify where infants are seated in case of an emergency. For 2026 travelers, while it may feel like a long wait for the rest of the groups, this 5-to-10-minute head start for families actually helps the entire plane push back from the gate on time.