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

St. Louis, MO (STL) to Tampa, FL (TPA) flight delay odds

78.8% of 1,225 official scheduled STL-to-TPA flights arrived on time; 11.9% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
78.8%arrived on time
11.9%30+ min late
0.7%cancelled
1,225scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.6%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+6.0 mincompleted flights

Which departure time was most reliable for STL to TPA?

Among qualifying STL-to-TPA departure window results, Early morning had the highest on-time rate: 92.4% of 382 flights. Afternoon was lowest at 68.5% across 286 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning38292.4%4.7%0.5%
Late morning16782.0%7.8%0.6%
Afternoon28668.5%16.1%0.3%
Evening37171.7%17.8%0.8%

Which weekday was most reliable for STL to TPA?

Among qualifying STL-to-TPA weekday results, Wednesday had the highest on-time rate: 85.7% of 161 flights. Thursday was lowest at 74.5% across 165 flights.

DayFlightsOn time30+ minCancelled
Monday17378.0%12.1%2.3%
Tuesday16782.6%11.4%0.0%
Wednesday16185.7%5.6%0.0%
Thursday16574.5%14.5%0.0%
Friday17376.9%14.5%0.0%
Saturday20075.0%15.0%1.0%
Sunday18679.6%9.7%1.1%

Which airline was most reliable for STL to TPA?

Only Southwest Airlines met the STL-to-TPA airline threshold: 79.2% of 1,196 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,19679.2%11.8%0.5%
Frontier Airlines2962.1%17.2%6.9%

Which month was most reliable for STL to TPA?

Among qualifying STL-to-TPA month results, September 2025 had the highest on-time rate: 84.4% of 90 flights. July 2025 was lowest at 65.0% across 100 flights.

MonthFlightsOn time30+ minCancelled
July 202510065.0%19.0%1.0%
August 20259474.5%16.0%0.0%
September 20259084.4%5.6%0.0%
October 20259576.8%13.7%0.0%
November 20259778.4%14.4%1.0%
December 202510879.6%13.9%0.0%
January 202610283.3%5.9%1.0%
February 20269080.0%13.3%0.0%
March 202612577.6%11.2%3.2%
April 202611083.6%10.0%0.0%
May 202611580.0%7.8%0.9%
June 20269981.8%13.1%0.0%

What drove STL to TPA delay minutes?

Late aircraft was the largest recorded STL-to-TPA delay category, accounting for 58.0% of 13,366 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.2%
Late aircraft58.0%
National airspace13.7%
Weather3.1%
Security0.1%
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.