| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | HRL | HOU | 20:18 | 21:01 |
Landed
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| Jan 04 | HRL | HOU | 20:42 | 21:25 |
Landed
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| Jan 03 | HRL | HOU | 21:01 | 21:52 |
Landed
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| Jan 02 | HRL | HOU | 20:47 | 21:31 |
Landed
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| Jan 01 | HRL | HOU | 07:04 | 07:48 |
Landed
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| Dec 31 | HRL | HOU | 06:45 | 07:28 |
Landed
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| Dec 30 | HRL | HOU | 20:58 | 21:43 |
Landed
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| Dec 29 | HRL | HOU | 20:36 | 21:21 |
Landed
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| Dec 28 | HRL | HOU | 21:09 | 21:52 |
Landed
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| Dec 27 | HRL | HOU | 21:27 | 22:11 |
Landed
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Southwest Airlines Flight WN321 connects Harlingen, United States to Houston, United States, taking off from Harlingen Valley International Airport HRL and landing at Houston William P. Hobby Airport HOU.
How long is the WN321 flight from Harlingen to Houston?
The average flight time from Harlingen to Houston is 44 minutes. The flight distance is 446 km / 277 miles and the average flight speed is 603 km/h / 374 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN321 Harlingen to Houston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN321 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN321 arriving at?
Flight WN321 arrives at Houston William P. Hobby Airport (HOU) Terminal S.
When was the latest WN321 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 21:01.
How else can the flight WN321 be referenced as?
This Southwest Airlines flight can also be referenced as SWA321, WN0321, WN 321, SWA 321.
How often is flight WN321 delayed?
On average, 20% of all WN321 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled WN321 flight or baggage issues?
If your WN321 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 WN321 Flight Tracker above for more details.
Other flights departing from Harlingen HRL: WN532, G66184, G66141
Other flights arriving at Houston HOU: WN3746, WN2966, WN3951, WN2958
All flights connecting Harlingen HRL to Houston HOU.