Flights UA6259 07:15 daily · UA6134 12:05 daily · UA4055 17:10 daily
Direct flights from Knoxville/Maryville (TYS) to Houston (IAH): 7 nonstop departures observed each week across 1 airline. The median arrival is 4 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 Knoxville/Maryville and Houston. Updated 20 October 2026 at 01:37 UTC.
Today, TYS → IAH
Tue 20 Oct · local times- · UA4055 On schedule IAH 17:10scheduled
- · UA6134 On schedule IAH 13:30scheduled
- · UA6259 On schedule IAH 08:44scheduled
Checked IAH board 20:37
route health from live TYS and IAH delay boards
Median arrival delay is −4 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Knoxville/Maryville to Houston route actually runs
Pro Flight Search records official board updates for nonstop TYS to IAH 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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Knoxville/Maryville (TYS) to Houston (IAH) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/TYS-IAH
TYS to IAH questions
Is TYS–IAH 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 TYS–IAH?
Operators schedule morning departures around 07:15 from TYS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.
How long is the flight from TYS to IAH?
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 TYS–IAH 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.