| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 20 | DCA | HOU | 21:24 | 23:01 |
Delayed
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| Sep 13 | DCA | HOU | 20:29 | 22:09 |
Landed Late
|
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| Sep 06 | DCA | HOU | 19:07 | 20:35 |
Landed
|
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| Aug 30 | DCA | HOU | 21:21 | 22:57 |
Delayed
|
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| Aug 23 | DCA | HOU | 20:12 | 21:49 |
Landed
|
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| Aug 16 | DCA | HOU | 00:06 | 21:45 |
Unknown
|
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| Aug 09 | DCA | HOU | 21:26 | 23:06 |
Delayed
|
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Southwest Airlines Flight WN4639 connects Washington, United States to Houston, United States, taking off from Washington Ronald Reagan National Airport DCA and landing at Houston William P. Hobby Airport HOU.
How long is the WN4639 flight from Washington to Houston?
The average flight time from Washington to Houston is 2 hours and 36 minutes. The flight distance is 1959 km / 1217 miles and the average flight speed is 733 km/h / 456 mph.
How many WN4639 flights are operated per week?
1 flight per week. The flight WN4639 is operated on Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4639 Washington to Houston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4639 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4639 arriving at?
Flight WN4639 arrives at Houston William P. Hobby Airport (HOU) Terminal 3.
When was the latest WN4639 flight?
The latest flight took off on Monday, September 21st, 2026 with the flight status being En-Route on 23:01.
How else can the flight WN4639 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4639, WN 4639, SWA 4639.
How often is flight WN4639 delayed?
On average, 71% of all WN4639 flights are delayed. The average delay is 49 minutes.
Can I get compensation for my delayed or cancelled WN4639 flight or baggage issues?
If your WN4639 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN4639 Flight Tracker above for more details.
Other flights departing from Washington DCA: 9E5272, WN1009, DL1007, AA2083
Other flights arriving at Houston HOU: WN4640, DL2051, WN1435, WN55
All flights connecting Washington DCA to Houston HOU.