Start with the flight number, not only the scheduled landing time.
Flight details give the pickup team useful context when an arrival shifts. They can plan around the actual flight, while your party still has time to deplane, collect checked bags and make its way to the agreed pickup area. That is especially important when the transfer continues well beyond the airport, because the ride south should begin with a calm handoff rather than a rushed one.
Keep one working mobile number with the traveler or person coordinating the group. International arrivals, families moving with children and parties spread across a terminal all benefit from having one person who can receive instructions and confirm that everyone is ready. Clear communication at LAX protects the rest of the transfer from unnecessary delay.
Give the team the actual San Diego destination.
“San Diego” can mean a downtown hotel, a convention-area meeting, a beach neighborhood, a residence, San Diego International Airport, a cruise terminal or a destination farther out in the county. Providing the full address and any useful arrival note makes the private ride easier to arrange around the day you are really having.
Let the team know about a hotel check-in, an event schedule, a ship departure, a need to meet someone or any other time-sensitive handoff. A private transfer is most useful when it reflects the complete plan, not a vague city name. If you need multiple stops or a vehicle to stay with you, explain that up front so hourly service can be considered where it fits better.
Match the vehicle to passengers and luggage before travel day.
The number of seats is only one part of the decision. Two travelers with several large cases need a different plan from two travelers with carry-ons. Families may have a stroller or child seats. A group arriving for an event, conference or cruise can have more bags than a standard airport vehicle comfortably handles.
Tell the team what is coming with you. A realistic luggage picture makes it easier to select a sedan, SUV, Transit Van or Sprinter-style vehicle with enough room for the ride to remain relaxed. You should not have to make a second transport decision while standing beside a pile of bags at the airport.
Make the return to LAX part of the original plan.
Once the San Diego portion of the trip is arranged, it is worth considering the ride back to LAX as well. Booking both directions gives you an opportunity to confirm the return pickup address, departure flight, passenger count and whether the luggage plan will be different after the trip.
A scheduled return is useful for families finishing a holiday, business travelers ending a multi-day visit and cruise passengers with a fixed departure plan. It also gives you a single service team to contact if the itinerary changes, rather than starting the search again at the end of the trip.