| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | GSP | BWI | 08:00 | 09:06 |
Landed
|
Track > |
| Jan 03 | GSP | BWI | 07:50 | 08:53 |
Landed
|
Track > |
| Jan 02 | GSP | BWI | 07:42 | 08:44 |
Landed
|
Track > |
| Dec 30 | GSP | BWI | 07:54 | 08:56 |
Landed
|
Track > |
| Dec 29 | GSP | BWI | 07:49 | 08:53 |
Landed
|
Track > |
| Dec 28 | GSP | BWI | 07:49 | 08:53 |
Landed
|
Track > |
| Dec 27 | GSP | BWI | 07:56 | 09:04 |
Landed
|
Track > |
| Dec 26 | GSP | BWI | 07:45 | 08:52 |
Landed
|
Track > |
| Dec 23 | GSP | BWI | 07:43 | 08:51 |
Landed
|
Track > |
| Dec 22 | GSP | BWI | 07:41 | 08:50 |
Landed
|
Track > |
Southwest Airlines Flight WN1421 connects Greenville-Spartanburg, United States to Baltimore, United States, taking off from Greenville-Spartanburg International Airport GSP and landing at Baltimore Washington International Airport BWI.
How long is the WN1421 flight from Greenville-Spartanburg to Baltimore?
The average flight time from Greenville-Spartanburg to Baltimore is 1 hour and 5 minutes. The flight distance is 685 km / 425 miles and the average flight speed is 630 km/h / 391 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1421 Greenville-Spartanburg to Baltimore?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN1421 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 09:06.
How else can the flight WN1421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1421, WN 1421, SWA 1421.
How often is flight WN1421 delayed?
On average, 0% of all WN1421 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled WN1421 flight or baggage issues?
If your WN1421 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 WN1421 Flight Tracker above for more details.
Other flights departing from Greenville-Spartanburg GSP: UA5451, DL631, AA5423, UA3617
Other flights arriving at Baltimore BWI: WN492, WN1862, WN459, 8C3324
All flights connecting Greenville-Spartanburg GSP to Baltimore BWI.