Yes, you can change a flight for just one person even if they are part of a larger group booking, but it requires a process known as "splitting the PNR" (Passenger Name Record). When you call the airline, the agent will "divide" the specific passenger away from the original reservation, giving them their own unique six-character confirmation code while keeping the rest of the group intact. Once the passenger has their own separate booking, you can amend their flight dates, times, or destinations independently. In 2026, many major airlines like Delta, United, and British Airways allow you to do this directly through their mobile apps, though some still require a phone call to ensure the split is handled correctly. It is important to note that once a passenger is split from the group, they may lose certain benefits if the "lead traveler" held the elite status or if the group was on a specific discounted "companion" fare. Additionally, standard change fees and fare differences will still apply to the individual's new ticket, unless the change is made within the airline's flexible "24-hour" or "look-in" windows as mandated by recent 2026 aviation consumer protection laws.