IAH → GSPHouston to Greenville/Greer/Spartanburg

live

Direct flights from Houston (IAH) to Greenville/Greer/Spartanburg (GSP): 7 nonstop departures observed each week across 1 airline. The median arrival is on schedule. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,346 km, an estimated 2 hours 14 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Greenville/Greer/Spartanburg. Updated 17 August 2026 at 12:38 UTC.

IAH Houston smooth · +0
GSP Greenville/Greer/Spartanburg tracking
1,346 km · ~2h 14m est.
dep bank 12:30–19:507x weekly
Running clean · 1 airline · 7x weekly · nonstop
100 / 100

route health from live IAH and GSP delay boards

Median arrival delay is +0 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Search live fares for this route →
Median arrival+0 minacross the last 4 operated legs
Flight time~2h 14mestimated from route distance
Weekly departures7x1 direct airline on the leg

Current nonstop fares

IAH → GSP · one way · economy · 1 adult

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TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days

History

operated legs · board outcomes
08-14UA6126departed−8
08-14UA6206departed−3
08-13UA5340departed+0
08-11UA6126departed+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IAHHouston +0 min smooth 🌤 few clouds · N 0 kt Full IAH delay board →
GSPGreenville/Greer/Spartanburg tracking Full GSP delay board →

How the Houston to Greenville/Greer/Spartanburg route actually runs

Pro Flight Search tracks every published board update for nonstop IAH to GSP flights: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises. Fares link straight to the operating airline with no markups.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Houston (IAH) to Greenville/Greer/Spartanburg (GSP) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAH-GSP
How we measure this →

IAH to GSP questions

Is IAH–GSP running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–GSP?

Operators schedule evening departures around 18:35 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the GSP delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to GSP?

Great-circle distance is 1,346 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 125–145 min gate-to-gate on this route.

How often does IAH–GSP fly?

United Airlines runs the route with about 26 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.