| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 16 | BOS | STL | 18:54 | 20:23 |
Landed Late
|
Track > |
| Sep 15 | BOS | STL | 19:22 | 20:43 |
Delayed
|
Track > |
| Sep 12 | BOS | STL | 05:49 | 07:26 |
Landed
|
Track > |
| Sep 09 | BOS | STL | 18:39 | 20:06 |
Landed Late
|
Track > |
| Sep 08 | BOS | STL | 18:32 | 19:56 |
Landed
|
Track > |
| Sep 05 | BOS | STL | 05:35 | 07:17 |
Landed
|
Track > |
| Sep 02 | BOS | STL | 19:59 | 21:32 |
Delayed
|
Track > |
| Sep 01 | BOS | STL | 20:39 | 22:16 |
Delayed
|
Track > |
| Aug 30 | BOS | STL | 05:27 | 06:52 |
Landed
|
Track > |
| Aug 29 | BOS | STL | 05:43 | 07:12 |
Landed
|
Track > |
Southwest Airlines Flight WN999 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 WN999 flight from Boston to St. Louis?
The average flight time from Boston to St. Louis is 2 hours and 30 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 672 km/h / 417 mph.
How many WN999 flights are operated per week?
3 flights per week. The flight WN999 is operated on Tuesday, Wednesday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN999 Boston to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN999 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN999 arriving at?
Flight WN999 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN999 flight?
The latest flight took off on Thursday, September 17th, 2026 with the flight status being Landed on 20:23.
How else can the flight WN999 be referenced as?
This Southwest Airlines flight can also be referenced as SWA999, WN0999, WN 999, SWA 999.
How often is flight WN999 delayed?
On average, 70% of all WN999 flights are delayed. The average delay is 57 minutes.
Can I get compensation for my delayed or cancelled WN999 flight or baggage issues?
If your WN999 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 WN999 Flight Tracker above for more details.
Other flights departing from Boston BOS: AA2837, LH423, 9K1841, TJ257
Other flights arriving at St. Louis STL: BA221, WN1740, WN3393, WN1656
All flights connecting Boston BOS to St. Louis STL.