Greenville/Greer/Spartanburg to Baltimore (GSP–BWI) — Airlines, Schedules & Connections

GSP Airport Page →
425 mi airlines 28/wk
On-time Some delays Frequent delays
Flight Schedule 10 flights Verified 12m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN3412
WN Southwest
7S7
8:00 AM
EDT
9:30 AM
EDT
1h 30m
M T W T F S S
Prices
WN2243
WN Southwest
7S7
8:20 AM
EDT
9:55 AM
EDT
1h 35m
M T W T F S S
Prices
WN643
WN Southwest
7S7
12:25 PM
EDT
2:00 PM
EDT
1h 35m
M T W T F S S
Prices
WN3029
WN Southwest
737
1:50 PM
EDT
3:20 PM
EDT
1h 30m
M T W T F S S
Prices
WN2244
WN Southwest
7S7
1:55 PM
EDT
3:25 PM
EDT
1h 30m
M T W T F S S
Prices
WN1958
WN Southwest
7S7
8:30 AM
EDT
10:10 AM
EDT
1h 40m
M T W T F S S
Prices
WN1350
WN Southwest
7S7
11:40 AM
EDT
1:10 PM
EDT
1h 30m
M T W T F S S
Prices
WN1517
WN Southwest
737
11:45 AM
EDT
1:20 PM
EDT
1h 35m
M T W T F S S
Prices
WN1143
WN Southwest
7S7
6:25 PM
EDT
8:00 PM
EDT
1h 35m
M T W T F S S
Prices
WN1327
WN Southwest
7S7
8:15 PM
EDT
9:50 PM
EDT
1h 35m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Greenville/Greer/Spartanburg to Baltimore
1 carrier, 28 flights/week nonstop.
1 Airlines 28 Flights/wk 425 mi 1h 30m nonstop 37 1-stop hubs

GSP–BWI is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 425 miles in approximately 1h 30m. Beyond nonstop, 37 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop GSP–BWI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 28 737, 7S7 1h30-1h35 80%
Aircraft on this route
737 Boeing 737-700 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (28 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, GSP to BWI direction.
Mon
4
flights
Tue
4
flights
Wed
4
flights
Thu
4
flights
Fri
4
flights
Sat
4
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
28
Outbound / wk
28
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for GSP to BWI.
1-STOP
One-Stop Connections
37
Hubs
~3h
Fastest
~34h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,368
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
GSP → BWI
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
79%
Return
BWI → GSP
53%
Frequent delays expected. Consider flexible booking.
Departing
53%
Arriving
72%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GSP delays → BWI delays →

Other ways to reach Baltimore from Greenville/Greer/Spartanburg

Nearby airports with service to Baltimore/Washington International Thurgood Marshall Airport.
Metric GSP→BWI CLT→BWI CAE→BWI
Distance from GSP 75 mi 91 mi
Nonstop airlines 1 4 1
Weekly flights 28 110 1
Flight time 1h 30m 1h 18m 0h 58m
Departure OTP 80%
Airports within 200 miles of GSP with service to Baltimore/Washington International Thurgood Marshall Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Baltimore is 0 hours the same as Greenville/Greer/Spartanburg.
GSP: EDT · BWI: EDT

When it's 6:00 PM in Greenville/Greer/Spartanburg, it's 6:00 PM in Baltimore.
Distance & Flight Time
425 mi / 685 km
Nonstop flight time is approximately 1h 30m to 1h 35m.

GSP–BWI Quick Facts

Key statistics for the Greenville/Greer/Spartanburg to Baltimore route.
Route details
Distance425 mi / 685 km
Flight time1h 30m to 1h 35m
Time difference0 hours
Airlines (nonstop)1
Weekly flights28 out / 28 return
1-stop connections37 hubs
Origin: GSP
IATA / ICAOGSP / KGSP
TimezoneAmerica/Kentucky/Monticello
Passengers/yr2.8M
Elevation964 ft / 294 m
Destination: BWI
IATA / ICAOBWI / KBWI
TimezoneAmerica/New_York
Passengers/yr26.4M
Elevation146 ft / 45 m

Frequently Asked Questions

Common questions about GSP to BWI flights.
Nonstop flights from Greenville-Spartanburg International Airport to Baltimore/Washington International Thurgood Marshall Airport take approximately 1h 30m to 1h 35m. The route covers 425 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 28 nonstop flights per week from GSP to BWI. The return direction has about 28 weekly flights.
Yes, 1-stop connections are available through RIC, IAD, CHS, TEB, DCA, ORL, JAX, BOS, MSY, MDW, APF, PBI, MCI, MSP, HOU, SLC, SNA, SAN, ATL, BDL, CLT, BNA, ORD, DTW, IAH, HVN, FLL, MIA, PVD, SRQ, RSW, TPA, DEN, MCO, DFW, EWR and PHL. These options provide additional schedule flexibility.
Yes, return flights from BWI to GSP are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include CLT, CAE and TYS. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from GSP to BWI

Greenville-Spartanburg International Airport (GSP) and Baltimore/Washington International Thurgood Marshall Airport (BWI) are connected by nonstop service from Southwest Airlines. With 28 weekly departures, this is a heavily served route.

GSP to BWI Flight Duration and Schedule

Nonstop flight time from GSP to BWI ranges from 1 hours 30 minutes to 1 hours 35 minutes. The route covers a distance of 425 miles (685 km). There are approximately 28 weekly flights outbound and 28 return, totaling 56 flights per week in both directions.

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 3 hours via RIC. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Charlotte (CLT), Columbia (CAE) and Knoxville/Maryville (TYS).