Flights AA3837 08:45 daily · AA4102 varies We Th · AA6445 12:44 daily · AA3571 14:18 daily
Direct flights from Knoxville/Maryville (TYS) to Chicago (ORD): 14 nonstop departures observed each week across 2 airlines. 100% of the last 13 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes early. No cancellations were recorded across the 13 tracked flights. The nonstop covers 765 km, an estimated 1 hour 29 minutes in the air. Measured by Pro Flight Search from live flight boards at Knoxville/Maryville and Chicago. Updated 10 September 2026 at 21:26 UTC.
of the last 13 operated TYS → ORD flights arrived within 15 minutes
Median arrival delay is −15 min. 0 of 13 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 daysFlights UA2801 06:54 Tu We Th · UA2753 07:56 daily · UA4511 11:44 Tu We Sa Su · UA5850 11:44 Mo Th Fr
History
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 Chicago route actually runs
Pro Flight Search records official board updates for nonstop TYS to ORD 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 Chicago (ORD) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/TYS-ORD
TYS to ORD questions
Is TYS–ORD 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.
How long is the flight from TYS to ORD?
Great-circle distance is 765 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 84–96 min gate-to-gate on this route.
How often does TYS–ORD fly?
2 carriers operate this route, around 63 flights a week between them. Compare carrier days and times in the airline list above.
What does the route health score measure?
A blend of departure-side delay at TYS and arrival-side delay at ORD, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.