BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
TYSPIE

Knoxville, TN (TYS) to St. Petersburg, FL (PIE) flight delay odds

Historically, 73.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 516 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.6%arrived on time
16.5%30+ min late
0.6%cancelled
516scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.5%all scheduled flights
120+ minutes late4.3%all scheduled flights
Diverted1.0%did not reach as scheduled
Average arrival+17.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning10083.0%10.0%2.0%
Late morning6984.1%5.8%1.4%
Afternoon16979.3%12.4%0.0%
Evening14264.8%23.2%0.0%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday8669.8%19.8%1.2%
Tuesday3070.0%16.7%0.0%
Wednesday5371.7%18.9%0.0%
Thursday8380.7%9.6%0.0%
Friday8970.8%18.0%0.0%
Saturday8877.3%15.9%1.1%
Sunday8772.4%17.2%1.1%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Allegiant Air51673.6%16.5%0.6%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20254571.1%22.2%0.0%
August 20253467.6%20.6%0.0%
September 20253971.8%12.8%0.0%
October 20254454.5%27.3%0.0%
November 20254269.0%23.8%0.0%
December 20254259.5%26.2%0.0%
January 20263265.6%21.9%6.2%
February 20263688.9%5.6%0.0%
March 20265882.8%12.1%0.0%
April 20264584.4%4.4%0.0%
May 20264889.6%8.3%0.0%
June 20265172.5%15.7%2.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline44.5%
Late aircraft43.1%
National airspace10.3%
Weather1.4%
Security0.6%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.