United AirlinesUA
Flights UA3874 14:30 Tu · UA3870 15:30 Su
live
Direct flights from Houston (IAH) to Winston Salem (INT): 2 nonstop departures observed each week across 1 airline. The nonstop covers 1,564 km, an estimated 2 hours 30 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Winston Salem. Updated 5 November 2026 at 07:12 UTC.
IAH
Houston
smooth · +0
INT
Winston Salem
tracking
1,564 km · ~2h 30m est.
Running clean · 1 airline · 2x weekly · nonstop
100 / 100
route health from live IAH and INT delay boards
Flight time~2h 30mestimated from route distance
Weekly departures2x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
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 daysAirports right now
live boardsnext sweep in 120s
How the Houston to Winston Salem route actually runs
Pro Flight Search records official board updates for nonstop IAH to INT 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 Winston Salem (INT) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAH-INT
IAH to INT questions
Is IAH–INT 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–INT?
Operators schedule 2 departures from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the INT delay card to confirm conditions when you'd arrive.
How long is the flight from IAH to INT?
Great-circle distance is 1,564 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 140–164 min gate-to-gate on this route.
How often does IAH–INT fly?
United Airlines runs the route with about 2 flights a week (sun, tue). Since one carrier owns the route, a single disruption tends to ripple through the day.
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