WN643 PHX → AUS

Southwest Airlines · Phoenix, AZ to Austin, TX · 31 flights observed, 2025-10-02 to 2025-11-01 · 872 mi

This flight runs much more reliably at some times of day than others — 87% on-time departing 6–9am vs. 25% departing 6–9pm.

WN643 covers more than one route in the data window — the stats below are for PHX → AUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+2 min
90th percentile
+38 min
Cancellation rate
0%

How often is WN643 on time?

Across 31 flights on PHX → AUS from 2025-10-02 to 2025-11-01, WN643 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +38 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2271%
16-30 min413%
31-60 min413%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-103070%+8 min
2025-111100%-5 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue425%
Wed425%
Thu5100%
Fri560%
Sat5100%
Sun4100%

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