AUS → SAN Southwest Airlines

Southwest Airlines · Austin, TX to San Diego, CA · 1,422 flights, 2025-07-01 to 2026-06-30 · aggregated across 64 flight numbers

This route runs much more reliably at some times of day than others — 97% on-time departing 6–9am vs. 53% departing 3–6pm.
On-time arrival
71%
Median delay
0 min
90th percentile
+53 min
Cancellation rate
1%

How on-time is Southwest Airlines from AUS to SAN?

Across every Southwest Airlines flight number on AUS → SAN (1,422 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +53 min or later. 1% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1,00371%
16-30 min15411%
31-60 min14010%
61-120 min796%
2+ hrs342%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713168%+24 min
2025-0810783%+2 min
2025-0910274%+15 min
2025-1012269%+10 min
2025-1112271%+10 min
2025-1213078%+3 min
2026-019879%+2 min
2026-029474%0 min
2026-0312581%+0 min
2026-0412863%+15 min
2026-0513166%+19 min
2026-0612053%+25 min

Performance by day of week

DayFlightsOn-time
Mon23666%
Tue19378%
Wed18777%
Thu23164%
Fri23373%
Sat13180%
Sun19965%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…