TYS to JAX flight delays & on-time performance
Nonstop flights from McGhee Tyson Airport to Jacksonville International Airport · 390 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TYS or JAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Knoxville (TYS) to Jacksonville (JAX) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 6% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (83% on time); around 12pm did worst (60%).
- Monday was the most reliable day to fly (79% on time) and Friday the least (60%).
- The largest source of delay minutes was air traffic control & airport congestion (27%).
Which airline is most on time from TYS to JAX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 73% | 0.0% | 15 min | 5.8% | 105 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am83%18 flights
- 12pm60%37 flights
- 1pm75%20 flights
- 7pm100%10 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%0.0% cancelled
- Tuesday67%0.0% cancelled
- Thursday76%0.0% cancelled
- Friday60%0.0% cancelled
- Saturday33%0.0% cancelled
- Sunday76%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion27%
- Late-arriving aircraft26%
- Extreme weather26%
- Airline (crew, maintenance, cleaning, fueling)21%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
TYS to JAX: common questions
- How often are TYS to JAX flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Knoxville to Jacksonville cancelled?
- 0.0% of scheduled flights were cancelled (0 of 105).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 5.8% of flights were an hour or more late.
- How long is taxi time at TYS?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JAX to TYS — 71% on time
More flights from Knoxville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TYS → JAX, nonstop flights by US airlines that report to the DOT. How we calculate this.