PlainFlights

Route · TYS → PIE · 2020–2025 BTS data

Knoxville to St. Petersburg

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TYS to PIE (Knoxville to St. Petersburg) ranks #4131 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

74.3%
On-time
-4.7 pts
vs US avg
88 min
Delay when late
1,527
Flights
#4131 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Jun 2025 79%

Worst Month

Jun 2024 67%

Distance

550 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 42 17 0 0 G4
Nov 2025 42 12 0 1 G4
Oct 2025 44 19 0 1 G4
Sep 2025 39 11 0 0 G4
Aug 2025 34 11 0 0 G4
Jul 2025 45 13 0 0 G4
Jun 2025 52 11 0 0 G4
May 2025 44 10 0 0 G4
Apr 2025 48 7 0 0 G4
Mar 2025 59 14 1 1 G4
Feb 2025 40 16 1 0 G4
Jan 2025 33 4 0 0 G4
Dec 2024 42 11 0 2 G4
Nov 2024 33 6 0 0 G4
Oct 2024 46 6 7 1 G4
Sep 2024 36 7 3 0 G4
Aug 2024 44 11 2 0 G4
Jul 2024 62 19 2 0 G4
Jun 2024 55 18 0 0 G4
May 2024 38 6 0 0 G4
Dec 2023 31 6 0 0 G4
Nov 2023 32 7 0 0 G4
Oct 2023 41 9 0 1 G4
Aug 2023 33 7 1 0 G4

TYS–PIE seasonal on-time pattern

Best: January (87.9%) · weakest: February (60.0%)

50%60%70%80%90% JanFebMarAprMayJunJulAugSepOctNovDec 70.4%

Strongest calendar month

January

87.9% on-time · ~33 flights/mo

Busiest calendar month

April

~48 flights/mo avg

Weakest calendar month

February

60.0% on-time · ~40 flights/mo

Cancellation Rate

1.7%

17 of 1,015 flights

Diversion Rate

0.7%

7 of 1,015 flights

Explore origin & destination

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

TYS - Knoxville

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

TYS on-time profile

PIE - St. Petersburg

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

PIE on-time profile

Compare the two airports

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

Compare TYS vs PIE

Origin-hub reliability standing

Softer reliability from TYS

Among 14 routes leaving TYS, only 2 (including this one) clear below 75% on-time, while 6 stay ≥85% and 6 sit mid-band. Travelers comparing TYS options should weigh this 74.3% print against those peers · fleet on-time rank #4574 of 4927.

What the Data Says About TYS to PIE

On-time performance on the TYS to PIE pairing (Knoxville to St. Petersburg) trails a chunk of the network: 74.3% of 1,527 tracked flights arrived on schedule, with a 88.2-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 0.7% diverted.

Monthly performance varies moderately here: Jun 2025 was the strongest month at 79% on-time versus Jun 2024 at 67%, a 12-point difference.

On the multi-year calendar, TYS–PIE peaks in January at 87.9% on-time while April carries the heaviest traffic (~48 flights per month) ; the softest month is February at 60.0%, a 27.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does TYS to PIE rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, TYS to PIE ranks #4131 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 TYS to PIE? ▼
Flights from Knoxville to St. Petersburg have a 74.3% on-time rate based on 1,527 flights. The average delay is 88.2 minutes. The best recent month was Jun 2025 with 79% on-time.
What is the cancellation rate for TYS to PIE? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (17 of 1,015 flights) and 0.7% were diverted.
How far is the flight from TYS to PIE? ▼
The flight distance from Knoxville (TYS) to St. Petersburg (PIE) is approximately 550 miles. This route is served by 1 carrier.
When is the best time to fly from TYS to PIE? ▼
The best recent month for on-time performance was Jun 2025 (79% on-time). The worst was Jun 2024 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

TYS Airport

Knoxville
PIE Airport

St. Petersburg
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 TYS–PIE data

TYS–PIE sits 4.7 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare TYS and PIE airport profiles: delay causes and top routes differ even on the same corridor. TYS airport
  • If your dates flex, January (87.9% on-time) beats February (60.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 74.3% 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.