| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | STL | BOS | 19:55 | 23:07 |
Landed Late
|
Track > |
| Jun 02 | STL | BOS | 19:15 | 22:42 |
Landed Late
|
Track > |
| Jun 01 | STL | BOS | 19:51 | 23:00 |
Landed
|
Track > |
| May 31 | STL | BOS | 20:41 | 23:43 |
Landed Late
|
Track > |
| May 30 | STL | BOS | 19:34 | 22:47 |
Landed Late
|
Track > |
| May 29 | STL | BOS | 19:47 | 22:53 |
Landed
|
Track > |
| May 28 | STL | BOS | 20:00 | 23:17 |
Landed
|
Track > |
| May 27 | STL | BOS | 19:16 | 22:20 |
Landed
|
Track > |
| May 26 | STL | BOS | 19:00 | 22:02 |
Landed
|
Track > |
| May 25 | STL | BOS | 22:56 | 23:10 |
Unknown
|
Track > |
Southwest Airlines Flight WN4439 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 WN4439 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 10 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 766 km/h / 476 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4439 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4439 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4439 arriving at?
Flight WN4439 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN4439 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 23:07.
How else can the flight WN4439 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4439, WN 4439, SWA 4439.
How often is flight WN4439 delayed?
On average, 50% of all WN4439 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled WN4439 flight or baggage issues?
If your WN4439 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 WN4439 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN3727, WN3793, WN749, WN648
Other flights arriving at Boston BOS: WN2392, WN933, DL5818, DL2361
All flights connecting St. Louis STL to Boston BOS.