Direct flights from San Antonio (SAT) to San Diego (SAN): 17 nonstop departures observed each week across 1 airline. 100% of the last 7 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 8 tracked flights. The nonstop covers 1,814 km, an estimated 2 hours 50 minutes in the air. Measured by Pro Flight Search from live flight boards at San Antonio and San Diego. Updated 15 November 2026 at 04:52 UTC.
How the San Antonio to San Diego route actually runs
Pro Flight Search records official board updates for nonstop SAT to SAN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
High disruption likely. The departure side at SAT is the weaker end, route health score 9/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SAT–SAN?
Operators schedule morning departures around 06:05 from SAT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAN delay card to confirm conditions when you'd arrive.
How long is the flight from SAT to SAN?
Great-circle distance is 1,814 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 158–185 min gate-to-gate on this route.
How often does SAT–SAN fly?
Southwest Airlines runs the route with about 17 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.