TYS to PIE flight delays & on-time performance
Nonstop flights from McGhee Tyson Airport to St. Petersburg Clearwater International Airport · 550 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TYS or PIE 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 St. Petersburg (PIE) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.6% were cancelled, and 10% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (89% on time); around 9pm did worst (42%).
- Thursday was the most reliable day to fly (84% on time) and Tuesday the least (66%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Which airline is most on time from TYS to PIE?
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 | 74% | 0.6% | 25 min | 9.7% | 522 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am100%12 flights
- 7am88%16 flights
- 8am86%77 flights
- 9am86%22 flights
- 10am75%12 flights
- 11am84%33 flights
- 12pm76%38 flights
- 1pm89%38 flights
- 2pm88%24 flights
- 3pm68%25 flights
- 4pm67%37 flights
- 5pm70%41 flights
- 6pm62%67 flights
- 7pm58%38 flights
- 8pm70%10 flights
- 9pm42%31 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%1.1% cancelled
- Tuesday66%0.0% cancelled
- Wednesday79%0.0% cancelled
- Thursday84%0.0% cancelled
- Friday68%0.0% cancelled
- Saturday75%1.1% cancelled
- Sunday75%1.1% 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 aircraft45%
- Airline (crew, maintenance, cleaning, fueling)44%
- Air traffic control & airport congestion9%
- Extreme weather1%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
TYS to PIE: common questions
- How often are TYS to PIE flights on time?
- 74% 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 St. Petersburg cancelled?
- 0.6% of scheduled flights were cancelled (3 of 522).
- How long are typical delays?
- Across all flights the average arrival delay was 25 min (early arrivals count as zero). Flights that were late arrived 91 min behind schedule on average, and 9.7% 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: PIE to TYS — 75% on time
More flights from Knoxville
More flights to St. Petersburg
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TYS → PIE, nonstop flights by US airlines that report to the DOT. How we calculate this.