SAN → AUS Southwest Airlines

Southwest Airlines · San Diego, CA to Austin, TX · 1,429 flights, 2025-07-01 to 2026-06-30 · aggregated across 65 flight numbers

This route has been getting less reliable recently — 2026-06's on-time rate (44%) is well below the 73% average from earlier months.
On-time arrival
69%
Median delay
+2 min
90th percentile
+52 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on SAN → AUS (1,429 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +52 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time98169%
16-30 min17713%
31-60 min13910%
61-120 min906%
2+ hrs292%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713169%+13 min
2025-0810777%+8 min
2025-0910287%-1 min
2025-1012274%+8 min
2025-1112268%+15 min
2025-1213163%+18 min
2026-019790%-1 min
2026-029580%+7 min
2026-0312555%+22 min
2026-0412875%+9 min
2026-0512862%+16 min
2026-0612844%+31 min

Performance by day of week

DayFlightsOn-time
Mon23562%
Tue19680%
Wed19179%
Thu23164%
Fri23364%
Sat13077%
Sun20066%

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