How to Add a Child to an Existing United Airlines Booking Need to add a child to your United Airlines reservation? Call 1-833-341-5261 to speak with a live agent who can update your booking quickly and correctly. 📞 Step 1: Prepare Your Booking Details Have ready: • Reservation number • Full names of all passengers • Child’s age and seating preference (lap or own seat) • Any special requests (bassinet, meal, guardian seating) 📞 Step 2: Call United Airlines Dial 1-833-341-5261 to reach a customer support agent. Call early to avoid long wait times. 📞 Step 3: Request to Add the Child • Provide the child’s details and seating preference • Mention any extras (bassinet, special seating, meals) • Agent will confirm seat availability and any fare difference ✅ Step 4: Confirm the Update • Receive an updated itinerary by email • Review all details and fare changes • Follow up with the agent if confirmation isn’t received ✨ Tips • Call early to secure the best seats • Ask about required travel documents for infants or minors • Keep your confirmation handy for check-in Calling 1-833-341-5261 ensures a smooth, family-friendly booking update.