WN504 DAL → MDW

Southwest Airlines · Dallas, TX to Chicago, IL · 17 flights observed, 2025-11-22 to 2026-01-04 · 793 mi

WN504 covers more than one route in the data window — the stats below are for DAL → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-3 min
90th percentile
+31 min
Cancellation rate
0%

How often is WN504 on time?

Across 17 flights on DAL → MDW from 2025-11-22 to 2026-01-04, WN504 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1275%
16-30 min213%
31-60 min16%
61-120 min16%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-114100%-12 min
2025-121060%+13 min
2026-012100%-6 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue367%
Wed1100%
ThuNo data—
Fri367%
Sat475%
Sun2100%

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