Greenville/Greer/Spartanburg to Houston (GSP–HOU) — Airlines, Schedules & Connections

GSP Airport Page →
844 mi airlines 5/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 1w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Greenville/Greer/Spartanburg to Houston
1 carrier, 5 flights/week nonstop.
1 Airlines 5 Flights/wk 844 mi 2h 45m nonstop -1h behind 37 1-stop hubs

GSP–HOU is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 844 miles in approximately 2h 45m. Beyond nonstop, 37 hubs offer 1-stop connections.

Also explore GSP Routes HOU Routes GSP Live Flights HOU Live Flights GSP Delays HOU Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop GSP–HOU service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 5 – – 84% – –
Alliance coverage
Unaffiliated: WN (5 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for GSP to HOU.
1-STOP
One-Stop Connections
37
Hubs
~4h
Fastest
~23h
Longest
PDK ~4h 1m MSY ~4h 2m USA ~4h 34m CHS ~5h 1m PBI ~5h 5m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,020
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
GSP → HOU
84%
Generally reliable. Most flights run on time.
Departing
84%
Arriving
86%
Return
HOU → GSP
73%
Moderate delays possible. Allow buffer time.
Departing
73%
Arriving
60%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GSP delays → HOU delays →
Alternatives

Other ways to reach Houston from Greenville/Greer/Spartanburg

Nearby airports with service to William P. Hobby Airport.
Metric GSP→HOU CLT→HOU CAE→HOU
Distance from GSP – 75 mi 91 mi
Nonstop airlines 1 3 1
Weekly flights 5 1 1
Flight time 2h 45m 2h 25m 2h 26m
Departure OTP 84% – –
Charlotte (CLT) to Houston flights · Columbia (CAE) to Houston flights · Concord (USA) to Houston flights
Airports within 200 miles of GSP with service to William P. Hobby Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Houston is 1 hour behind Greenville/Greer/Spartanburg.
GSP: EDT · HOU: CDT

When it's 6:00 PM in Greenville/Greer/Spartanburg, it's 5:00 PM in Houston.
Distance & Flight Time
844 mi / 1,358 km
Nonstop flight time is approximately 2h 45m.
Facts

GSP–HOU Quick Facts

Key statistics for the Greenville/Greer/Spartanburg to Houston route.
Route details
Distance844 mi / 1,358 km
Flight time2h 45m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights5 out
1-stop connections37 hubs
Origin: GSP
Full nameGreenville-Spartanburg International Airport
IATA / ICAOGSP / KGSP
TimezoneAmerica/Kentucky/Monticello
Passengers/yr2.8M
Elevation964 ft / 294 m
Destination: HOU
Full nameWilliam P. Hobby Airport
IATA / ICAOHOU / KHOU
TimezoneAmerica/Indiana/Tell_City
Passengers/yr14.2M
Elevation46 ft / 14 m
FAQ

Frequently Asked Questions

Common questions about GSP to HOU flights.
Nonstop flights from Greenville-Spartanburg International Airport to William P. Hobby Airport take approximately 2h 45m. The route covers 844 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 5 nonstop flights per week from GSP to HOU.
Yes, 1-stop connections are available through PDK, MSY, USA, CHS, PBI, APF, CLT, SRQ, JAX, TUL, MCI, RSW, IAD, MDW, TEB, PHL, BOS, MSP, EWR, PVD, SLC, ORD, SNA, SAN, ATL, BWI, JWN, DFW, DCA, BNA, FLL, MIA, TPA, MCO, HVN, LGA and DEN. These options provide additional schedule flexibility.
Houston is 1 hour behind Greenville/Greer/Spartanburg.
Yes, return flights from HOU to GSP are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include CLT, CAE and USA. 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 HOU

Greenville-Spartanburg International Airport (GSP) and William P. Hobby Airport (HOU) are connected by nonstop service from Southwest Airlines. With 5 weekly departures, this is a regularly served route.

GSP to HOU Flight Duration and Schedule

Nonstop flight time from GSP to HOU ranges from 2 hours 45 minutes. The route covers a distance of 844 miles (1,358 km).

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 4 hours via PDK. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Charlotte (CLT), Columbia (CAE) and Concord (USA).