WN4519 HOU → MDW

Southwest Airlines · Houston, TX to Chicago, IL · 3 flights observed, 2025-11-22 to 2026-01-03 · 937 mi

WN4519 covers more than one route in the data window — the stats below are for HOU → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
+2 min
90th percentile
+52 min
Cancellation rate
0%

How often is WN4519 on time?

Across 3 flights on HOU → MDW from 2025-11-22 to 2026-01-03, WN4519 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +52 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time267%
16-30 min00%
31-60 min00%
61-120 min133%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11250%+31 min
2026-011100%+2 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat367%
SunNo data—

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