WN1643 Flight Status Southwest Airlines: St. Louis to Boston (SWA1643)
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WN 1643 St. Louis to Boston Flight Status
Not scheduled today (November 9th, 2026). Latest flight: September 28th, 2026 ; recent history is in the table below.
WN 1643 Flight Status & Schedule Southwest Airlines St. Louis to Boston
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 28 | STL | BOS | 21:20 | 00:37 | Delayed | Track > |
| Sep 25 | STL | BOS | 20:03 | 23:20 | Landed Late | Track > |
| Sep 24 | STL | BOS | 20:29 | 23:50 | Delayed | Track > |
| Sep 21 | STL | BOS | 20:16 | 23:27 | Landed Late | Track > |
| Sep 18 | STL | BOS | 20:39 | 23:46 | Delayed | Track > |
| Sep 17 | STL | BOS | 20:09 | 23:18 | Landed Late | Track > |
| Sep 14 | STL | BOS | 19:21 | 22:42 | Landed | Track > |
| Sep 11 | STL | BOS | 19:10 | 22:21 | Landed | Track > |
| Sep 10 | STL | BOS | 20:09 | 23:11 | Landed Late | Track > |
| Sep 07 | STL | BOS | 19:43 | 22:54 | Landed Late | Track > |
Southwest Airlines' St. Louis–Boston flight covers 1,680 km (1,044 mi). The timetable allows 2 h 35 min, but the flight usually takes about 2 h 10 min, so it often makes up time. It is not flying today; the last flight was scheduled on 28 September 2026.
About WN 1643
- Distance
- 1,680 km (1,044 mi)
- Typical flight time
- 2 h 10 min
- On time
- 2 of the last 7
- Average delay when late
- 39 min
- Usually departs from
- Terminal 2
WN 1643 FAQ
- How long is the WN1643 flight?
- The timetable allows 2 h 35 min. St. Louis to Boston is 1,680 km (1,044 mi).
- How often is WN1643 late?
- 5 of the last 7 flights arrived 15 or more minutes late; when late, by 39 minutes on average.
- Which terminal does WN1643 use?
- It usually leaves from Terminal 2 at St. Louis Lambert International Airport (STL) and arrives at Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
- What other flight numbers does WN1643 have?
- Also listed as SWA1643 (Southwest Airlines' ICAO code) and WN 1643.
WN1643 and St. Louis STL to Boston BOS Flights
Other flights departing from St. Louis STL: WN4074, WN3895, WN1321, WN1813
Other flights arriving at Boston BOS: WN671, DL1474, DL1739, AA4502
All flights connecting St. Louis STL to Boston BOS.