WN621 Flight Status Southwest Airlines: Houston to Atlanta (SWA621)
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WN 621 Houston to Atlanta Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 27th, 2026 ; recent history is in the table below.
WN 621 Flight Status & Schedule Southwest Airlines Houston to Atlanta
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 27 | HOU | ATL | 18:55 | 21:32 | Landed | Track > |
| Sep 26 | HOU | ATL | 18:02 | 20:36 | Landed | Track > |
| Sep 19 | HOU | ATL | 20:11 | 22:54 | Delayed | Track > |
| Sep 13 | HOU | ATL | 19:50 | 22:25 | Landed Late | Track > |
| Sep 12 | HOU | ATL | 17:59 | 20:37 | Landed | Track > |
| Sep 06 | HOU | ATL | 19:40 | 22:15 | Landed Late | Track > |
| Sep 05 | HOU | ATL | 19:53 | 22:33 | Delayed | Track > |
| Sep 02 | HOU | ATL | 11:38 | 14:16 | Landed | Track > |
| Sep 01 | HOU | ATL | 11:26 | 14:04 | Landed | Track > |
| Aug 30 | HOU | ATL | 20:00 | 22:37 | Delayed | Track > |
Southwest Airlines' Houston–Atlanta flight covers 1,118 km (695 mi). Its timetable allows 2 h 10 min; in practice it usually takes about 1 h 35 min, so it often makes up time. It is not flying today; the last flight, on 27 September 2026, landed on time.
About WN 621
Southwest Airlines Flight WN621 connects Houston, United States to Atlanta, United States, taking off from Houston William P. Hobby Airport HOU and landing at Atlanta Hartsfield-Jackson International Airport ATL.
- Distance
- 1,118 km (695 mi)
- Typical flight time
- 1 h 35 min
- On time
- 5 of the last 7
- Average delay when late
- 38 min
WN 621 FAQ
- How long is the WN621 flight from Houston to Atlanta?
- The timetable allows 2 h 10 min. Houston to Atlanta is 1,118 km (695 mi).
- How often is WN621 from Houston to Atlanta late?
- 2 of the last 7 flights arrived 15 or more minutes late; when late, by 38 minutes on average.
- When was the latest WN621 flight from Houston to Atlanta?
- The latest WN621 was the 18:40 (local time) departure from Houston on 27 September 2026; it landed 18 minutes early.
- Which terminal does WN621 use?
- It usually arrives at Terminal S at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.
- What other flight numbers does WN621 have?
- Also listed as SWA621 (Southwest Airlines' ICAO code) and WN 621.
WN621 and Houston HOU to Atlanta ATL Flights
Other flights departing from Houston HOU: WN2164, WN2697, WN4230
Other flights arriving at Atlanta ATL: DL2128, DL3120, OH5269, DL2061
All flights connecting Houston HOU to Atlanta ATL.