IAH → TYSHouston to Knoxville/Maryville

live

Direct flights from Houston (IAH) to Knoxville/Maryville (TYS): 7 nonstop departures observed each week across 1 airline. The median arrival is 6 minutes early. No cancellations were recorded across the 3 tracked flights. 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 11 October 2026 at 14:23 UTC.

IAH Houston smooth · +0
TYS Knoxville/Maryville tracking
1,241 km · ~2h 05m est.
dep bank 08:00–18:357x weekly
Running clean · 1 airline · 7x weekly · nonstop
100 / 100

route health from live IAH and TYS delay boards

Median arrival delay is −6 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−6 minacross the last 3 operated legs
Flight time~2h 05mestimated 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 UA6291 08:00 daily · UA4047 14:45 daily · UA4005 18:35 daily

History

operated legs · board outcomes
10-11UA6291departed−7
10-10UA4005departed−2
10-10UA4047departed−6

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 · SSE 8 kt Full IAH delay board →
TYSKnoxville/Maryville tracking Full TYS delay board →

How the Houston to Knoxville/Maryville route actually runs

Pro Flight Search records official board updates for nonstop IAH to TYS 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 Knoxville/Maryville (TYS) route reliability, measured from operated flights on official airport boards.

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

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 08:00 and evening departures around 18:35 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 21 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.