AUS to TYS flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to McGhee Tyson Airport · 882 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or TYS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Knoxville (TYS) arrived on time 60% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 15% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Friday was the most reliable day to fly (62% on time) and Monday the least (61%).
- The largest source of delay minutes was late-arriving aircraft (67%).
Which airline is most on time from AUS to TYS?
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 | 60% | 0.0% | 27 min | 15.1% | 73 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am86%22 flights
- 3pm46%13 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday61%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday67%0.0% cancelled
- Friday62%0.0% cancelled
- Saturday67%0.0% cancelled
- Sunday0%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.
- Late-arriving aircraft67%
- Air traffic control & airport congestion18%
- Airline (crew, maintenance, cleaning, fueling)13%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
AUS to TYS: common questions
- How often are AUS to TYS flights on time?
- 60% 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 Austin to Knoxville cancelled?
- 0.0% of scheduled flights were cancelled (0 of 73).
- How long are typical delays?
- Across all flights the average arrival delay was 27 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 15.1% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: TYS to AUS — 75% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → TYS, nonstop flights by US airlines that report to the DOT. How we calculate this.