WN3135 MDW → PHX

Southwest Airlines · Chicago, IL to Phoenix, AZ · 18 flights observed, 2025-11-22 to 2026-01-04 · 1,444 mi

This flight has been on time less than half the time (47%) — expect a real chance of a delay.

WN3135 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
47%
Median delay
+18 min
90th percentile
+78 min
Cancellation rate
6%

How often is WN3135 on time?

Across 18 flights on MDW → PHX from 2025-11-22 to 2026-01-04, WN3135 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +78 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time847%
16-30 min318%
31-60 min212%
61-120 min424%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-113100%-9 min
2025-121136%+33 min
2026-01333%+15 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue333%
Wed1100%
ThuNo data—
Fri333%
Sat425%
Sun367%

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