TYS to MIA flight delays & on-time performance
Nonstop flights from McGhee Tyson Airport to Miami International Airport · 724 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TYS or MIA 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 Miami (MIA) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- Envoy Air was the most punctual airline here (84% on time); American Airlines was the least (75%).
- Departures scheduled around 5am did best (91% on time); around 7pm did worst (72%).
- Thursday was the most reliable day to fly (92% on time) and Saturday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (59%).
Which airline is most on time from TYS to MIA?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 84% | 0.5% | 11 min | 4.8% | 403 |
| American Airlines | 75% | 1.3% | 42 min | 13.0% | 78 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 33% | 0.0% | 28 min | 16.7% | 6 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am91%47 flights
- 6am84%290 flights
- 7am89%28 flights
- 5pm74%81 flights
- 7pm72%36 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%0.0% cancelled
- Tuesday88%1.5% cancelled
- Wednesday89%0.0% cancelled
- Thursday92%0.0% cancelled
- Friday76%0.0% cancelled
- Saturday72%2.6% cancelled
- Sunday75%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.
- Airline (crew, maintenance, cleaning, fueling)59%
- Late-arriving aircraft19%
- Air traffic control & airport congestion13%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
TYS to MIA: common questions
- How often are TYS to MIA flights on time?
- 82% 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 Miami cancelled?
- 0.6% of scheduled flights were cancelled (3 of 487).
- 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 86 min behind schedule on average, and 6.2% of flights were an hour or more late.
- How long is taxi time at TYS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to TYS — 77% 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 → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.