WN321 Flight Status Southwest Airlines: Atlanta to Chicago (SWA321)
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WN 321 Atlanta to Chicago Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 27th, 2026 ; recent history is in the table below.
WN 321 Flight Status & Schedule Southwest Airlines Atlanta to Chicago
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 27 | ATL | MDW | 17:17 | 17:46 | Landed | Track > |
| Sep 20 | ATL | MDW | 17:33 | 18:02 | Landed Late | Track > |
| Sep 13 | ATL | MDW | 17:37 | 18:02 | Landed Late | Track > |
| Aug 30 | ATL | MDW | 17:13 | 17:45 | Landed | Track > |
| Aug 23 | ATL | MDW | 17:17 | 17:47 | Landed | Track > |
| Aug 16 | ATL | MDW | 17:14 | 17:36 | Landed | Track > |
| Aug 09 | ATL | MDW | 18:11 | 18:43 | Delayed | Track > |
Southwest Airlines operates WN 321 from Atlanta to Chicago, a 952 km (591 mi) trip. The timetable allows 1 h 55 min, but the flight usually takes about 1 h 30 min, so it often makes up time. It is not flying today; the last flight, on 27 September 2026, landed on time.
About WN 321
Southwest Airlines Flight WN321 connects Atlanta, United States to Chicago, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Chicago Midway International Airport MDW.
- Route
- Atlanta Hartsfield-Jackson International Airport ATL to Chicago Midway International Airport MDW
- Distance
- 952 km (591 mi)
- Typical flight time
- 1 h 30 min
- On time
- 4 of the last 6
- Average delay when late
- 22 min
- Usually departs from
- Terminal S
WN 321 FAQ
- How long is the WN321 flight from Atlanta to Chicago?
- The timetable allows 1 h 55 min. Atlanta to Chicago is 952 km (591 mi).
- How often is WN321 from Atlanta to Chicago late?
- 2 of the last 6 flights arrived 15 or more minutes late; when late, by 22 minutes on average.
- When was the latest WN321 flight from Atlanta to Chicago?
- The latest WN321 was the 16:45 (local time) departure from Atlanta on 27 September 2026; it landed 6 minutes late.
- Which terminal does WN321 use?
- It usually leaves from 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 WN321 have?
- Also listed as SWA321 (Southwest Airlines' ICAO code) and WN 321.
WN321 and Atlanta ATL to Chicago MDW Flights
Other flights departing from Atlanta ATL: DL1681, DL2440, DL3124
Other flights arriving at Chicago MDW: WN1714, WN2385
All flights connecting Atlanta ATL to Chicago MDW.