Southwest Airlines
WN4937Washington to Houston
Southwest Airlines flight WN4937 flies from Washington (DCA) to Houston (HOU), 1,959 km. Over November 2025 to July 2026 it usually arrives about 7 minutes late: 69% of 117 flights arrived within 15 minutes of schedule and 3.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
69%
on time (within 15 min)
21%
more than 30 min late
3.4%
cancelled
+7 min
average arrival vs schedule
Every operation of WN4937, November 2025 to July 2026: 117 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4937
- Washington (DCA) to Houston (HOU)58 flights
- St. Louis (STL) to Charlotte Douglas (CLT)50 flights
- Charlotte Douglas (CLT) to Baltimore (BWI)8 flights
- Denver (DEN) to St. Louis (STL)1 flights
Other flights from Washington to Houston
More about Washington (DCA) and Houston (HOU).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/wn4937" title="WN4937 is on time 69% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4937.svg" alt="WN4937 is on time 69% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/wn4937" title="WN4937 is on time 69% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4937.svg?theme=light" alt="WN4937 is on time 69% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/wn4937)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free