WN391 AUS → SAN

Southwest Airlines · Austin, TX to San Diego, CA · 27 flights observed, 2026-06-04 to 2026-06-30 · 1,164 mi

This flight has been on time less than half the time (44%) — expect a real chance of a delay.

WN391 covers more than one route in the data window — the stats below are for AUS → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
44%
Median delay
+27 min
90th percentile
+85 min
Cancellation rate
0%

How often is WN391 on time?

Across 27 flights on AUS → SAN from 2026-06-04 to 2026-06-30, WN391 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +27 min, and the worst 10% of flights arrived +85 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1244%
16-30 min519%
31-60 min519%
61-120 min519%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062744%+31 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue425%
Wed367%
Thu450%
Fri450%
Sat475%
Sun425%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…