WN1177 MDW → HOU

Southwest Airlines · Chicago, IL to Houston, TX · 28 flights observed, 2026-03-05 to 2026-04-06 · 937 mi

This flight runs much more reliably at some times of day than others — 88% on-time departing 3–6pm vs. 35% departing 6–9pm.

WN1177 covers more than one route in the data window — the stats below are for MDW → HOU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
50%
Median delay
+14 min
90th percentile
+62 min
Cancellation rate
0%

How often is WN1177 on time?

Across 28 flights on MDW → HOU from 2026-03-05 to 2026-04-06, WN1177 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +62 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1450%
16-30 min518%
31-60 min621%
61-120 min27%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032352%+17 min
2026-04540%+20 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue475%
Wed4100%
Thu50%
Fri520%
Sat560%
SunNo data—

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