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 5 minutes early. 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 9 October 2026 at 07:13 UTC.

IAH Houston disrupted · +128
GSP Greenville/Greer/Spartanburg tracking
1,346 km · ~2h 14m est.
dep bank 12:25–18:357x weekly
Disrupted · 1 airline · 7x weekly · nonstop
0 / 100

route health from live IAH and GSP delay boards

Median arrival delay is −5 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 4 operated legs
Flight time~2h 14mestimated from route distance
Weekly departures7x1 direct airline on the leg

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
United AirlinesUA

Flights UA4060 12:25 daily · UA6124 18:35 Mo Tu We Th Fr Su

History

operated legs · board outcomes
10-08UA4060departed−2
10-08UA6124departed−5
10-07UA4060departed−6
10-07UA6124departed−5

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 +128 min disrupted 🌤 clear · 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 records official board updates for nonstop IAH to GSP flights through the day: 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.

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?

High disruption likely. The departure side at IAH is the weaker end, route health score 0/100. 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 13 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.