BNA to TYS flight delays & on-time performance
Nonstop flights from Nashville International Airport to McGhee Tyson Airport · 152 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BNA or TYS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Nashville (BNA) to Knoxville (TYS) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (94% on time); around 7pm did worst (48%).
- Tuesday was the most reliable day to fly (79% on time) and Thursday the least (59%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from BNA 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 |
|---|---|---|---|---|---|
| Southwest Airlines | 70% | 0.3% | 16 min | 5.4% | 298 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am94%47 flights
- 10am86%91 flights
- 11am90%10 flights
- 5pm62%26 flights
- 6pm48%48 flights
- 7pm48%66 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%2.4% cancelled
- Tuesday79%0.0% cancelled
- Wednesday71%0.0% cancelled
- Thursday59%0.0% cancelled
- Friday66%0.0% cancelled
- Saturday74%0.0% cancelled
- Sunday74%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 aircraft49%
- Airline (crew, maintenance, cleaning, fueling)39%
- Air traffic control & airport congestion10%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
BNA to TYS: common questions
- How often are BNA to TYS flights on time?
- 70% 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 Nashville to Knoxville cancelled?
- 0.3% of scheduled flights were cancelled (1 of 298).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 46 min behind schedule on average, and 5.4% of flights were an hour or more late.
- How long is taxi time at BNA?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: TYS to BNA — 81% on time
More flights from Nashville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BNA → TYS, nonstop flights by US airlines that report to the DOT. How we calculate this.