To explore Bradbury's city highlights, renting a car is essential as public transportation is limited. Note that parking can be challenging and expensive in certain areas, so plan accordingly. Uber/Lyft are good options for short distances.
In terms of travel time, driving from LAX to Bradbury takes about 45 minutes -1 hour, and costs range from $40-$60. John Wayne Airport (SNA) in Orange County is an alternative, which takes about 45 minutes, and costs range from $60-$80.
If you have more time, consider adding a beach day in Santa Monica, a movie tour in Hollywood, or visit Disneyland in Anaheim. If you have less time, you can consider skipping LA Arboretum, cutting your time at Santa Anita Park, or doing a visit to Grand Central Market as part of Day 2.
Bob Hope Airport (BUR) is the most convenient airport, located 24 miles from Bradbury. Los Angeles International Airport (LAX) is the second most proximate airport, situated 35 miles southeast of Bradbury.