WN1221 PHX → AUS

Southwest Airlines · Phoenix, AZ to Austin, TX · 14 flights observed, 2026-01-11 to 2026-03-02 · 872 mi

This flight has been getting less reliable recently — 2026-02's on-time rate (75%) is well below the 100% average from earlier months.

WN1221 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
86%
Median delay
-2 min
90th percentile
+21 min
Cancellation rate
0%

How often is WN1221 on time?

Across 14 flights on PHX → AUS from 2026-01-11 to 2026-03-02, WN1221 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1286%
16-30 min17%
31-60 min17%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-015100%-2 min
2026-02875%+6 min
2026-031100%-15 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue10%
WedNo data—
Thu3100%
Fri250%
SatNo data—
Sun4100%

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