WN3397 PHX → MKE

Southwest Airlines · Phoenix, AZ to Milwaukee, WI · 18 flights observed, 2025-11-22 to 2026-01-04 · 1,460 mi

This flight has been on time less than half the time (39%) — expect a real chance of a delay.

WN3397 covers more than one route in the data window — the stats below are for PHX → MKE, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
39%
Median delay
+21 min
90th percentile
+57 min
Cancellation rate
0%

How often is WN3397 on time?

Across 18 flights on PHX → MKE from 2025-11-22 to 2026-01-04, WN3397 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +57 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time739%
16-30 min633%
31-60 min422%
61-120 min00%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11475%+60 min
2025-121118%+28 min
2026-01367%+17 min

Performance by day of week

DayFlightsOn-time
Mon30%
Tue367%
Wed1100%
ThuNo data—
Fri367%
Sat540%
Sun30%

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