Flights operate between Houston (IAH) and Greenville (GSP).
1 airline operates this route with 2 flights daily flights.
Average flight time is 2h 14m - 2h 25m.
Route distance is 841 miles (1353 km).
Route Distance
841 miles (1353 km)
Average Duration
2h 14m - 2h 25m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
2 flights
Weekly Flights
14
Typical Departure Time Ranges
Earliest Departure
12:25
Latest Departure
18:39
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
United Airlines serves 1 destination from IAH
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| IAH → Greenville (GSP) (GSP) | 14/week | 2h 14m - 2h 25m | 841 km | Moderate |
Flight Schedule & Filters
United Airlines flights from Houston (IAH) to Greenville (GSP)
United Airlines operates scheduled nonstop flights between Houston (IAH) and Greenville (GSP). United Airlines operates 2 flights daily flights on this route.• Flight Duration: 2h 14m - 2h 25m (average flight time)• Distance: 841 miles (1353 km) (air miles between airports)• Daily Flights: 2 flights (scheduled departures per day)
Houston (IAH)
US
Greenville (GSP)
US
FLIGHT TIME
2h 14m - 2h 25m
FLIGHT DISTANCE
841 miles (1353 km)
2h 14m - 2h 20m
12:25
18:39
841 miles (1353 km)
March
1 (Show)
14
United Airlines Terminal Information & Contact
Departure Terminal - Houston (IAH)
Terminal: C
Phone: 1-800-864-8331
Location: C, Houston, US
Arrival Terminal - Greenville (GSP)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Greer, US
United Airlines Flight Schedule from Houston (IAH) to Greenville (GSP)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4043 |  United Airlines | 12:25 | 15:39:00 | Embraer 175 (Enhanced Winglets) |
UA6125 | United Airlines | 18:39 | 21:59:00 | Embraer 175 (Enhanced Winglets) |
United Airlines Monthly Flight Calendar
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Things to Do Near GSP Airport
Post 7
13.9 km from airportPost 8
14.1 km from airportParis Mountain State Park Information
14.1 km from airportPark Center Information Office
14.2 km from airportUnited Airlines Terminal Information
Departure Terminal at Houston (IAH):
• Terminal : United Airlines operates from this terminal
Terminal C:
• United Airlines Terminal Phone: 1-800-864-8331
Arrival Terminal at Greenville (GSP):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Weather & Climate at Greenville (GSP)
16.4°C
Avg Temperature92mm
Avg Rainfall10.1km/h
Avg Wind Speed68%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Greenville (GSP)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Greenville (GSP)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly United Airlines to Greenville (GSP)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2025-07, 2025-09
Seasonal Travel Calendar
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.comFrequently Asked Questions
How many United Airlines flights operate from Houston (IAH) to Greer (GSP)?
United Airlines operates 2 flights from Houston (IAH) to Greer (GSP).
What city does Greer (GSP) airport serve?
Greer (GSP) airport serves Greenville, US.
How long is the United Airlines flight from Houston (IAH) to Greer (GSP)?
The flight duration is approximately 2h 14m - 2h 25m.
What is the distance from Houston (IAH) to Greer (GSP)?
The distance is 841 miles (1353 km).
What aircraft does United Airlines use on this route?
United Airlines uses Embraer 175 (Enhanced Winglets) on this route.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 12:25 and the latest departs at 18:39.
Which terminal does United Airlines use at Houston (IAH)?
United Airlines flights from Houston (IAH) depart from Terminal C. Terminal C phone: 1-800-864-8331.
View all United Airlines flights to Houston (IAH) →
Popular United Airlines routes from Houston include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.