Allegiant AirG4
Flights G43040 varies Th · G43063 12:52 Su · G43038 12:55 Su
live
Direct flights from Knoxville/Maryville (TYS) to Jacksonville (JAX): 2 nonstop departures observed each week across 1 airline. The median arrival is 12 minutes early. No cancellations were recorded across the 2 tracked flights. The nonstop covers 629 km, an estimated 1 hour 18 minutes in the air. Measured by Pro Flight Search from live flight boards at Knoxville/Maryville and Jacksonville. Updated 6 September 2026 at 14:48 UTC.
TYS
Knoxville/Maryville
tracking
JAX
Jacksonville
smooth · +0
629 km · ~1h 18m est.
Running clean · 1 airline · 2x weekly · nonstop
100 / 100
route health from live TYS and JAX delay boards
Median arrival delay is −12 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−12 minacross the last 2 operated legs
Flight time~1h 18mestimated from route distance
Weekly departures2x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Allegiant Air
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 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 Jacksonville route actually runs
Pro Flight Search records official board updates for nonstop TYS to JAX 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 — Knoxville/Maryville (TYS) to Jacksonville (JAX) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/TYS-JAX
TYS to JAX questions
Is TYS–JAX 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–JAX?
Operators schedule 2 departures from TYS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the JAX delay card to confirm conditions when you'd arrive.
How long is the flight from TYS to JAX?
Great-circle distance is 629 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 74–84 min gate-to-gate on this route.
How often does TYS–JAX fly?
Allegiant Air runs the route with about 3 flights a week (sun, thu). Since one carrier owns the route, a single disruption tends to ripple through the day.
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