| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 21 | STL | BOS | 19:00 | 22:35 |
Scheduled
|
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 > |
| Sep 04 | STL | BOS | 19:17 | 22:30 |
Landed
|
Track > |
| Sep 03 | STL | BOS | 20:50 | 23:58 |
Delayed
|
Track > |
| Aug 31 | STL | BOS | 19:12 | 22:19 |
Landed
|
Track > |
Southwest Airlines Flight WN1643 connects St. Louis, United States to Boston, United States, taking off from St. Louis Lambert International Airport STL and landing at Boston Logan International Airport BOS.
How long is the WN1643 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 9 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 765 km/h / 475 mph.
How many WN1643 flights are operated per week?
3 flights per week. The flight WN1643 is operated on Tuesday, Friday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1643 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1643 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1643 arriving at?
Flight WN1643 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN1643 flight?
The latest flight took off on Tuesday, September 22nd, 2026 with the flight status being Scheduled on 22:35.
How else can the flight WN1643 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1643, WN 1643, SWA 1643.
How often is flight WN1643 delayed?
On average, 60% of all WN1643 flights are delayed. The average delay is 43 minutes.
Can I get compensation for my delayed or cancelled WN1643 flight or baggage issues?
If your WN1643 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN1643 Flight Tracker above for more details.
Other flights departing from St. Louis STL: DL1492, WN3895, WN1321, WN1813
Other flights arriving at Boston BOS: BA239, DL457, B61854, AC764
All flights connecting St. Louis STL to Boston BOS.