WN4639 Flight Status Southwest Airlines: Washington to Houston (SWA4639)
Are you looking for the November 9th, 2026 WN 4639 Houston to Tampa flight? Go to our WN4639 Houston to Tampa Flight Status page >
WN 4639 Washington to Houston Flight Status
Not scheduled today (November 9th, 2026). Latest flight: September 27th, 2026 ; recent history is in the table below.
WN 4639 Flight Status & Schedule Southwest Airlines Washington to Houston
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 27 | DCA | HOU | 20:05 | 21:42 | Landed | Track > |
| Sep 20 | DCA | HOU | 21:24 | 23:01 | Delayed | Track > |
| Sep 13 | DCA | HOU | 20:29 | 22:09 | Landed Late | Track > |
| Sep 06 | DCA | HOU | 19:07 | 20:35 | Landed | Track > |
| Aug 30 | DCA | HOU | 21:21 | 22:57 | Delayed | Track > |
| Aug 23 | DCA | HOU | 20:12 | 21:49 | Landed | Track > |
| Aug 16 | DCA | HOU | 00:06 | 21:45 | Unknown | Track > |
| Aug 09 | DCA | HOU | 21:26 | 23:06 | Delayed | Track > |
Southwest Airlines' Washington–Houston flight covers 1,959 km (1,217 mi). The timetable allows 3 h 13 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 27 September 2026, landed on time.
About WN 4639
- Distance
- 1,959 km (1,217 mi)
- Scheduled flight time
- 3 h 13 min
- Usually departs from
- Terminal 1
WN 4639 FAQ
- How long is the WN4639 flight?
- The timetable allows 3 h 13 min. Washington to Houston is 1,959 km (1,217 mi).
- Which terminal does WN4639 use?
- It usually leaves from Terminal 1 at Washington Ronald Reagan National Airport (DCA). Check the flight card above for today's terminal and gate.
- What other flight numbers does WN4639 have?
- Also listed as SWA4639 (Southwest Airlines' ICAO code) and WN 4639.
WN4639 and Washington DCA to Houston HOU Flights
Other flights departing from Washington DCA: WN1009, DL1007, DL5272
Other flights arriving at Houston HOU: WN287, WN4640, WN1435, WN3581
All flights connecting Washington DCA to Houston HOU.