The Baltimore to Greer route connects Baltimore/Washington International Thurgood Marshall Airport (BWI) in US with Greenville Spartanburg International Airport (GSP) in US. This short-haul flight covers approximately 426 miles (686 km) with a typical flight time of 1h 16m. This route is operated by SWA. AirportRoutes has tracked 5 unique flight numbers on this route.
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Baltimore/Washington International Thurgood Marshall Airport
KBWIBWIGreenville Spartanburg International Airport
KGSPGSP1
Operator5
Tracked Flights426
Miles1h 16m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| Southwest |
SWA
|
WN
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 2 | 25% |
|
| Tuesday | 0 | 0% |
|
| Wednesday | 1 | 12% |
|
| Thursday | 2 | 25% |
|
| Friday | 3 | 38% |
|
| Saturday | 0 | 0% |
|
| Sunday | 0 | 0% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Southwest
SWA
/ WN
|
B737 | 11:45 11:45 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 15, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 11:45 11:45 AM | Southwest |
SWA
|
WN
|
Time Information
Times are shown in the departure airport's local timezone (KBWI - America/New_York).