WN3579 MDW → DCA

Southwest Airlines · Chicago, IL to Washington, DC · 34 flights observed, 2025-07-01 to 2025-08-04 · 601 mi

This flight's reliability varies a lot by day of week — 60% on-time on Wednesdays vs. 20% on Sundays.

WN3579 covers more than one route in the data window — the stats below are for MDW → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
50%
Median delay
+16 min
90th percentile
+131 min
Cancellation rate
6%

How often is WN3579 on time?

Across 34 flights on MDW → DCA from 2025-07-01 to 2025-08-04, WN3579 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +131 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1650%
16-30 min39%
31-60 min619%
61-120 min39%
2+ hrs413%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072850%+40 min
2025-08450%+20 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue540%
Wed560%
Thu4100%
Fri450%
Sat540%
Sun520%

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