United AirlinesUA
Flights UA6122 10:00 daily · UA4047 14:57 daily · UA6300 18:25 Mo Tu We Th Su
live
Direct flights from Houston (IAH) to Knoxville/Maryville (TYS): 7 nonstop departures observed each week across 1 airline. The nonstop covers 1,241 km, an estimated 2 hours 5 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Knoxville/Maryville. Updated 18 August 2026 at 19:54 UTC.
IAH
Houston
smooth · +0
TYS
Knoxville/Maryville
tracking
1,241 km · ~2h 05m est.
Running clean · 1 airline · 7x weekly · nonstop
100 / 100
route health from live IAH and TYS delay boards
Search live fares for this route →Flight time~2h 05mestimated from route distance
Weekly departures7x1 direct airline on the leg
Current nonstop fares
IAH → TYS · one way · economy · 1 adult
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares
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 Knoxville/Maryville route actually runs
Pro Flight Search tracks every published board update for nonstop IAH to TYS 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 Knoxville/Maryville (TYS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAH-TYS
IAH to TYS questions
Is IAH–TYS 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–TYS?
Operators schedule morning departures around 10:00 and evening departures around 18:25 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the TYS delay card to confirm conditions when you'd arrive.
How long is the flight from IAH to TYS?
Great-circle distance is 1,241 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 118–136 min gate-to-gate on this route.
How often does IAH–TYS fly?
United Airlines runs the route with about 19 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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