Check your Flight status online
Southwest Airlines WN321 flight status now
Current status of WN321 is Scheduled On time Estimated Depart in 16 minutes
- Type: Domestic Flight
- Flight Duration: 1 hours 10 minutes
- Flight Distance: 447 kms / 278 miles
- Southwest Airlines
- IATA: WN
- ICAO: SWA
- Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
- Service type: Normal passenger
- Seats: 143
- Freight capacity: 8.4 tons
- Passenger classes: Economy, Premium Economy
- Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
- Callsign: F-KRNO5
- Departure Timezone: America/Chicago
- Arrival Timezone: America/Chicago
- Current Time in Harlingen: Monday 2025-11-17 06:24 AM
- Current Time in Houston: Monday 2025-11-17 06:24 AM
Domestic flight Southwest Airlines WN321 takes off from Harlingen (HRL) United States to Houston (HOU) United States. It's operated by Southwest Airlines. The plane leaves Valley International Airport at 06:40 17 November 2025 America/Chicago. The flight is expected to land at William P. Hobby Airport at 07:50 17 November 2025 America/Chicago. The flight will last about 1 hours 10 minutes.
Southwest Airlines WN321 Flight Statistics

Southwest Airlines WN321 Flight Schedule and Histories
| Time | Departure | Arrival | Actual departure | Actual arrival |
|---|---|---|---|---|
|
Fri 14 Nov
Scheduled On time |
Harlingen (HRL)
2025-11-14T20:05
|
Houston (HOU)
2025-11-14T21:15
|
||
|
Thu 13 Nov
Scheduled On time |
Harlingen (HRL)
2025-11-13T20:05
|
Houston (HOU)
2025-11-13T21:15
|
||
|
Mon 10 Nov
Departed On time |
Harlingen (HRL)
2025-11-10T20:05
|
Houston (HOU)
2025-11-10T21:15
|
2025-11-10T20:04
|
|
|
Sat 08 Nov
Arrived Delayed by 3h 46m |
Harlingen (HRL)
2025-11-07T20:05
|
Houston (HOU)
2025-11-07T21:15
|
2025-11-07T23:07
|
2025-11-08T01:01
|
|
Thu 06 Nov
Scheduled On time |
Harlingen (HRL)
2025-11-06T20:05
|
Houston (HOU)
2025-11-06T21:15
|
||
|
Tue 04 Nov
Arrived On time |
Harlingen (HRL)
2025-11-04T06:40
|
Houston (HOU)
2025-11-04T07:50
|
2025-11-04T06:39
|
2025-11-04T07:41
|
|
Tue 28 Oct
Scheduled Delayed by 22m |
Harlingen (HRL)
2025-10-28T15:40
|
Houston (HOU)
2025-10-28T17:15
|
||
|
Mon 20 Oct
Scheduled On time |
Harlingen (HRL)
2025-10-20T17:50
|
Houston (HOU)
2025-10-20T19:25
|
||
|
Sun 19 Oct
Arrived On time |
Harlingen (HRL)
2025-10-19T11:00
|
Houston (HOU)
2025-10-19T12:15
|
2025-10-19T11:16
|
2025-10-19T12:18
|
|
Sat 18 Oct
Departed On time |
Harlingen (HRL)
2025-10-18T17:55
|
Houston (HOU)
2025-10-18T23:10
|
2025-10-18T17:55
|
Similar flight route from Harlingen (HRL) to Houston (HOU)
| Airline | Flight no | Departure | Arrival |
|---|---|---|---|
|
WN4645 Southwest Airlines |
17/11/2025 09:35 |
1 hours 10 minutes 10:45 |
|
WN136 Southwest Airlines |
17/11/2025 11:30 |
1 hours 10 minutes 12:40 |
|
WN1444 Southwest Airlines |
17/11/2025 18:30 |
1 hours 20 minutes 19:50 |
|
WN4085 Southwest Airlines |
17/11/2025 20:10 |
1 hours 10 minutes 21:20 |
|
SY8789 Sun Country Airlines |
17/11/2025 13:00 |
5 minutes 13:54 |
|
WN6174 Southwest Airlines |
17/11/2025 06:25 |
1 hours 4 minutes 07:30 |
Frequently asked questions, answered
How long is the flight from Harlingen to Houston?
On average, nonstop flight takes 1 hour(s) 10 minutes, with the flight distance of 447 km (278 miles).
What type of aircraft is used for the Southwest Airlines WN321 flight?
All Southwest Airlines WN321 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.
How many Southwest Airlines WN321 flights are operated a week?
7 flights per week. The Flight Southwest Airlines WN321 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .
