Greer to Houston Flights GSP → IAH

Greenville Spartanburg International Airport → George Bush Intercontinental Houston Airport

🇺🇸 Greer, US → 🇺🇸 Houston, US

The Greer to Houston route connects Greenville Spartanburg International Airport (GSP) in US with George Bush Intercontinental Houston Airport (IAH) in US. This short-haul flight covers approximately 856 miles (1378 km) with a typical flight time of 2h 19m. This route is served by 3 airlines: Mesa, SkyWest Airlines, Air Wisconsin. AirportRoutes has tracked 11 daily flights on this route.

Departure Airport

Greenville Spartanburg International Airport

ICAO Code:
KGSP
IATA Code:
GSP
City:
🇺🇸 Greer
Country:
US
Elevation:
964 ft

Destination Airport

George Bush Intercontinental Houston Airport

ICAO Code:
KIAH
IATA Code:
IAH
City:
🇺🇸 Houston
Country:
US
Elevation:
97 ft

3

Operators

11

Daily Flights

856

Miles

2h 19m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Mesa ASH YV
SkyWest SKW OO
Air Wisconsin AWI ZW

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 9 11%
Tuesday 16 19%
Wednesday 12 14%
Thursday 12 14%
Friday 8 10%
Saturday 13 15%
Sunday 14 17%

Pattern Analysis

11 Daily Flights:
ASH4030 ASH4057 ASH4079 ASH3996 SKW5451 ASH3234 ASH3235 ASH3236 ASH3241 ASH3242 ASH4032
Data Points: 84
API observations used to build this analysis
Weekdays: 57 flights
Weekend: 27 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
- E170 -
M T W T F S S
Oct 28, 2025 Active
Mesa
ASH / YV
ASH4030 ASH4057 ASH4079 ASH3996 ASH3234 E170 11:30 11:30 AM (Representative)
M T W T F S S
Feb 10, 2026 Active
SkyWest
SKW / OO
SKW5451 E75L 06:45 6:45 AM (Representative)
M T W T F S S
Dec 30, 2025 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
06:45 6:45 AM SkyWest SKW OO
11:30 11:30 AM Mesa ASH YV

Time Information

Times are shown in the departure airport's local timezone (KGSP - America/New_York).

Total Departure Times: 2
Time Range:
06:45 - 11:30
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.