| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 27 | BWI | GSP | 09:01 | 10:08 |
En-Route
|
Track > |
| Sep 06 | BWI | GSP | 09:21 | 10:28 |
Landed
|
Track > |
| Aug 30 | BWI | GSP | 08:58 | 10:11 |
En-Route
|
Track > |
| Aug 23 | BWI | GSP | 08:45 | 09:57 |
Landed
|
Track > |
| Aug 16 | BWI | GSP | 08:42 | 09:53 |
Landed
|
Track > |
| Aug 09 | BWI | GSP | 08:51 | 09:54 |
Landed
|
Track > |
Southwest Airlines Flight WN4321 connects Baltimore, United States to Greenville-Spartanburg, United States, taking off from Baltimore Washington International Airport BWI and landing at Greenville-Spartanburg International Airport GSP.
How long is the WN4321 flight from Baltimore to Greenville-Spartanburg?
The average flight time from Baltimore to Greenville-Spartanburg is 1 hour and 8 minutes. The flight distance is 685 km / 425 miles and the average flight speed is 598 km/h / 372 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4321 Baltimore to Greenville-Spartanburg?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4321 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4321 flight?
The latest flight took off on Sunday, September 27th, 2026 with the flight status being En-Route on 10:08.
How else can the flight WN4321 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4321, WN 4321, SWA 4321.
How often is flight WN4321 delayed?
On average, 17% of all WN4321 flights are delayed. The average delay is 1 minute.
Can I get compensation for my delayed or cancelled WN4321 flight or baggage issues?
If your WN4321 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 WN4321 Flight Tracker above for more details.
Other flights departing from Baltimore BWI: WN598, WN2448, WN4262, WN849
Other flights arriving at Greenville-Spartanburg GSP: OO5330, PT6119, MX1448, PT5818
All flights connecting Baltimore BWI to Greenville-Spartanburg GSP.