Flight International Airport departs from San Diego International Airport at 11:52 and arrives at Austin Austin Bergstrom International Airport at 12:13.The flight has a short stop at New York.
The flighttime is about 21h 21m. The distance travelled ("as the bird flies"): 2172 Km. So the average speed is roughly 102 Km.
There is an 3 hour time difference between San Diego and Austin