WN3877 Flight Status Southwest Airlines: Chicago to St. Louis (SWA3877)
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WN 3877 Chicago to St. Louis Flight Status
Not scheduled today (November 3rd, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.
- This flight continues to Phoenix (PHX): WN3877 St. Louis to Phoenix departs at 11:55 local time on Sep 30.
WN 3877 Flight Status & Schedule Southwest Airlines Chicago to St. Louis
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 30 | MDW | STL | 10:18 | 11:03 | Landed | Track > |
| Sep 29 | MDW | STL | 10:40 | 11:23 | Landed | Track > |
| Sep 23 | MDW | STL | 10:20 | 11:01 | Landed | Track > |
| Sep 22 | MDW | STL | 10:21 | 11:07 | Landed | Track > |
| Sep 16 | MDW | STL | 10:30 | 11:15 | Landed | Track > |
| Sep 15 | MDW | STL | 11:08 | 11:54 | Landed Late | Track > |
| Sep 09 | MDW | STL | 10:16 | 11:00 | Landed | Track > |
| Sep 08 | MDW | STL | 10:32 | 11:14 | Landed | Track > |
| Sep 02 | MDW | STL | 10:25 | 11:11 | Landed | Track > |
| Sep 01 | MDW | STL | 10:23 | 11:07 | Landed | 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 45 min, so it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed on time.
About WN 3877
- Distance
- 404 km (251 mi)
- Typical flight time
- 45 min
- On time
- 9 of the last 10
- Average delay when late
- 34 min
WN 3877 FAQ
- How long is the WN3877 flight?
- The timetable allows 1 h 10 min. Chicago to St. Louis is 404 km (251 mi).
- How often is WN3877 late?
- 1 of the last 10 flights arrived 15 or more minutes late; when late, by 34 minutes on average.
- Which terminal does WN3877 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 WN3877 have?
- Also listed as SWA3877 (Southwest Airlines' ICAO code) and WN 3877.
WN3877 and Chicago MDW to St. Louis STL Flights
Other flights departing from Chicago MDW: WN1685, WN559, WN4258, WN4713
Other flights arriving at St. Louis STL: WN3280, WN4699, WN2035, WN1906
All flights connecting Chicago MDW to St. Louis STL.