WN3984 MDW → PHX

Southwest Airlines · Chicago, IL to Phoenix, AZ · 33 flights observed, 2026-03-05 to 2026-04-06 · 1,444 mi

This flight has been on time less than half the time (48%) — expect a real chance of a delay.

WN3984 covers more than one route in the data window — the stats below are for MDW → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
48%
Median delay
+16 min
90th percentile
+71 min
Cancellation rate
0%

How often is WN3984 on time?

Across 33 flights on MDW → PHX from 2026-03-05 to 2026-04-06, WN3984 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +71 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1648%
16-30 min721%
31-60 min618%
61-120 min26%
2+ hrs26%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032752%+21 min
2026-04633%+27 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue450%
Wed475%
Thu560%
Fri560%
Sat560%
Sun50%

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