WN3720 Flight Status Southwest Airlines: Chicago to St. Louis (SWA3720)
WN 3720 Chicago to St. Louis Flight Status
Not scheduled today. Latest flight: September 27th, 2026 ; recent history is in the table below.
WN 3720 Flight Status & Schedule Southwest Airlines Chicago to St. Louis
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 27 | MDW | STL | 20:44 | 21:29 | Landed | Track > |
| Sep 20 | MDW | STL | 21:59 | 22:44 | Delayed | Track > |
| Sep 13 | MDW | STL | 20:33 | 21:15 | Landed | Track > |
| Sep 06 | MDW | STL | 21:13 | 21:56 | Landed | Track > |
| Aug 30 | MDW | STL | 20:44 | 21:26 | Landed | Track > |
| Aug 23 | MDW | STL | 20:49 | 21:28 | Landed | Track > |
| Aug 16 | MDW | STL | 21:24 | 22:35 | Delayed | Track > |
| Aug 09 | MDW | STL | 21:50 | 22:33 | Delayed | Track > |
Southwest Airlines' Chicago–St. Louis flight covers 404 km (251 mi). Its timetable allows 1 h 10 min; in practice it usually takes about 40 min, so it often makes up time. It is not flying today; the last flight, on 27 September 2026, landed on time.
About WN 3720
Southwest Airlines Flight WN3720 connects Chicago, United States to St. Louis, United States, taking off from Chicago Midway International Airport MDW and landing at St. Louis Lambert International Airport STL.
- Distance
- 404 km (251 mi)
- Typical flight time
- 40 min
- On time
- 5 of the last 5
WN 3720 FAQ
- How long is the WN3720 flight from Chicago to St. Louis?
- The timetable allows 1 h 10 min. Chicago to St. Louis is 404 km (251 mi).
- How often is WN3720 from Chicago to St. Louis late?
- None of the last 5 flights arrived 15 or more minutes late.
- When was the latest WN3720 flight from Chicago to St. Louis?
- The latest WN3720 was the 20:25 (local time) departure from Chicago on 27 September 2026; it landed 11 minutes early.
- Which terminal does WN3720 use?
- It usually arrives at Terminal 2 at St. Louis Lambert International Airport (STL). Check the flight card above for today's terminal and gate.
- What other flight numbers does WN3720 have?
- Also listed as SWA3720 (Southwest Airlines' ICAO code) and WN 3720.
WN3720 and Chicago MDW to St. Louis STL Flights
Other flights departing from Chicago MDW: WN859, WN3355, WN3881, WN4289
Other flights arriving at St. Louis STL: WN4653, YX4599, WN3393, WN1400
All flights connecting Chicago MDW to St. Louis STL.