| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 01 | BOS | STL | 07:38 | 09:18 |
Landed
|
Track > |
| Dec 31 | BOS | STL | 07:27 | 09:07 |
Landed
|
Track > |
| Dec 25 | BOS | STL | 07:31 | 09:13 |
Landed
|
Track > |
| Dec 24 | BOS | STL | 07:31 | 09:16 |
Landed
|
Track > |
| Dec 17 | BOS | STL | 07:35 | 09:12 |
Landed
|
Track > |
| Dec 16 | BOS | STL | 07:28 | 09:03 |
Landed
|
Track > |
| Dec 15 | BOS | STL | 07:31 | 09:00 |
Landed
|
Track > |
| Dec 11 | BOS | STL | 07:40 | 09:17 |
Landed
|
Track > |
| Dec 10 | BOS | STL | 08:09 | 09:49 |
Landed Late
|
Track > |
| Dec 09 | BOS | STL | 07:28 | 09:06 |
Landed
|
Track > |
Southwest Airlines Flight WN3399 connects Boston, United States to St. Louis, United States, taking off from Boston Logan International Airport BOS and landing at St. Louis Lambert International Airport STL.
How long is the WN3399 flight from Boston to St. Louis?
The average flight time from Boston to St. Louis is 2 hours and 38 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 637 km/h / 396 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3399 Boston to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3399 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3399 arriving at?
Flight WN3399 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3399 flight?
The latest flight took off on Thursday, January 1st, 2026 with the flight status being Landed on 09:18.
How else can the flight WN3399 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3399, WN 3399, SWA 3399.
How often is flight WN3399 delayed?
On average, 10% of all WN3399 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled WN3399 flight or baggage issues?
If your WN3399 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 WN3399 Flight Tracker above for more details.
Other flights departing from Boston BOS: DL5803, DL1072, B61169, WN371
Other flights arriving at St. Louis STL: WN2803, WN3278, WN2054, WN4485
All flights connecting Boston BOS to St. Louis STL.