PlainFlights

Route · PIE → TYS · 2020–2025 BTS data

St. Petersburg to Knoxville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PIE to TYS (St. Petersburg to Knoxville) ranks #4130 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

68.7%
On-time
-10.3 pts
vs US avg
80 min
Delay when late
1,528
Flights
#4130 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Mar 2025 75%

Worst Month

Jul 2024 50%

Distance

550 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 42 18 0 0 G4
Nov 2025 42 12 0 1 G4
Oct 2025 44 18 0 1 G4
Sep 2025 39 7 0 0 G4
Aug 2025 34 11 0 0 G4
Jul 2025 45 19 0 0 G4
Jun 2025 52 14 0 0 G4
May 2025 44 12 0 0 G4
Apr 2025 48 7 0 0 G4
Mar 2025 59 15 1 0 G4
Feb 2025 40 15 1 0 G4
Jan 2025 33 5 0 0 G4
Dec 2024 42 15 0 0 G4
Nov 2024 33 8 0 0 G4
Oct 2024 46 5 7 0 G4
Sep 2024 36 6 3 0 G4
Aug 2024 44 10 2 0 G4
Jul 2024 62 31 2 0 G4
Jun 2024 55 21 0 1 G4
May 2024 38 13 0 0 G4
Dec 2023 31 7 0 0 G4
Nov 2023 32 10 0 0 G4
Oct 2023 41 14 0 0 G4
Aug 2023 33 10 1 0 G4

PIE–TYS seasonal on-time pattern

Best: April (85.4%) · weakest: July (53.0%)

50%60%70%80%90% JanFebMarAprMayJunJulAugSepOctNovDec 65.2%

Strongest calendar month

April

85.4% on-time · ~48 flights/mo

Busiest calendar month

April

~48 flights/mo avg

Weakest calendar month

July

53.0% on-time · ~44 flights/mo

Cancellation Rate

1.7%

17 of 1,015 flights

Diversion Rate

0.3%

3 of 1,015 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

PIE - St. Petersburg

Full on-time, delay-cause, and seasonal performance for St. Petersburg, FL.

PIE on-time profile

TYS - Knoxville

Full on-time, delay-cause, and seasonal performance for Knoxville, TN.

TYS on-time profile

Compare the two airports

See PIE and TYS side by side on delays, cancellations, and reliability.

Compare PIE vs TYS

Origin-hub reliability standing

Softer reliability from PIE

Among 4 routes leaving PIE, only 3 (including this one) clear below 75% on-time, while 0 stay ≥85% and 1 sit mid-band. Travelers comparing PIE options should weigh this 68.7% print against those peers · fleet on-time rank #4863 of 4927.

What the Data Says About PIE to TYS

On-time performance on the PIE to TYS pairing (St. Petersburg to Knoxville) trails a chunk of the network: 68.7% of 1,528 tracked flights arrived on schedule, with a 80.0-minute average delay on the ones that ran late. The route spans about 550 miles across 1 carrier. Cancellations over the trailing 24 months hit 1.7% (17 of 1,015 flights), with 0.3% diverted.

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 75% on-time, while Jul 2024 came in at just 50% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, PIE–TYS peaks in April at 85.4% on-time ; the softest month is July at 53.0%, a 32.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PIE to TYS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PIE to TYS ranks #4130 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PIE to TYS? ▼
Flights from St. Petersburg to Knoxville have a 68.7% on-time rate based on 1,528 flights. The average delay is 80.0 minutes. The best recent month was Mar 2025 with 75% on-time.
What is the cancellation rate for PIE to TYS? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (17 of 1,015 flights) and 0.3% were diverted.
How far is the flight from PIE to TYS? ▼
The flight distance from St. Petersburg (PIE) to Knoxville (TYS) is approximately 550 miles. This route is served by 1 carrier.
When is the best time to fly from PIE to TYS? ▼
The best recent month for on-time performance was Mar 2025 (75% on-time). The worst was Jul 2024 (50% on-time). Consider booking during months with historically better performance.

Airports on this route

PIE Airport

St. Petersburg
TYS Airport

Knoxville
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using PIE–TYS data

PIE–TYS sits 10.3 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare PIE and TYS airport profiles: delay causes and top routes differ even on the same corridor. PIE airport
  • If your dates flex, April (85.4% on-time) beats July (53.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 68.7% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.