WN2172 AUS → SFO

Southwest Airlines · Austin, TX to San Francisco, CA · 58 flights observed, 2026-01-06 to 2026-03-04 · 1,504 mi

This flight has been getting less reliable recently — 2026-02's on-time rate (68%) is well below the 100% average from earlier months.

WN2172 covers more than one route in the data window — the stats below are for AUS → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-9 min
90th percentile
+23 min
Cancellation rate
3%

How often is WN2172 on time?

Across 58 flights on AUS → SFO from 2026-01-06 to 2026-03-04, WN2172 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +23 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4784%
16-30 min59%
31-60 min35%
61-120 min00%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0124100%-13 min
2026-022868%+7 min
2026-034100%-12 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue989%
Wed978%
Thu888%
Fri875%
Sat786%
Sun786%

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