WN174 MIA → MDW

Southwest Airlines · Miami, FL to Chicago, IL · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,182 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 50% departing 3–6pm.

WN174 covers more than one route in the data window — the stats below are for MIA → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
91%
Median delay
-12 min
90th percentile
+5 min
Cancellation rate
3%

How often is WN174 on time?

Across 35 flights on MIA → MDW from 2025-07-01 to 2025-08-04, WN174 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +5 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3191%
16-30 min00%
31-60 min26%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073093%-8 min
2025-08475%+12 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue4100%
Wed5100%
Thu5100%
Fri5100%
Sat5100%
Sun540%

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