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

Seattle, WA (SEA) to Tampa, FL (TPA) flight delay odds

77.4% of 976 official scheduled SEA-to-TPA flights arrived on time; 11.8% arrived at least 30 minutes late and 0.6% 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
77.4%arrived on time
11.8%30+ min late
0.6%cancelled
976scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.6%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+1.2 mincompleted flights

Which departure time was most reliable for SEA to TPA?

Among qualifying SEA-to-TPA departure window results, Early morning had the highest on-time rate: 93.7% of 63 flights. Late morning was lowest at 75.5% across 608 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning6393.7%3.2%0.0%
Late morning60875.5%13.7%0.8%
Afternoon5687.5%5.4%0.0%
Night24975.5%10.8%0.4%

Which weekday was most reliable for SEA to TPA?

Among qualifying SEA-to-TPA weekday results, Saturday had the highest on-time rate: 80.5% of 133 flights. Sunday was lowest at 74.3% across 144 flights.

DayFlightsOn time30+ minCancelled
Monday14474.3%13.9%0.0%
Tuesday13776.6%13.9%0.7%
Wednesday13379.7%8.3%0.0%
Thursday14280.3%11.3%0.0%
Friday14376.2%12.6%1.4%
Saturday13380.5%12.0%0.8%
Sunday14474.3%10.4%1.4%

Which airline was most reliable for SEA to TPA?

Among qualifying SEA-to-TPA airline results, Alaska Airlines had the highest on-time rate: 78.6% of 613 flights. Delta Air Lines was lowest at 75.2% across 363 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines61378.6%10.1%0.7%
Delta Air Lines36375.2%14.6%0.6%

Which month was most reliable for SEA to TPA?

Among qualifying SEA-to-TPA month results, February 2026 had the highest on-time rate: 90.4% of 73 flights. July 2025 was lowest at 53.8% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20259353.8%24.7%1.1%
August 20258863.6%22.7%0.0%
September 20257785.7%6.5%0.0%
October 20256271.0%12.9%1.6%
November 20256879.4%5.9%0.0%
December 20258774.7%9.2%1.1%
January 20266882.4%14.7%1.5%
February 20267390.4%5.5%0.0%
March 20269176.9%12.1%2.2%
April 20268788.5%4.6%0.0%
May 20269280.4%12.0%0.0%
June 20269085.6%7.8%0.0%

What drove SEA to TPA delay minutes?

Airline was the largest recorded SEA-to-TPA delay category, accounting for 46.6% of 9,878 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.6%
Late aircraft23.5%
National airspace22.9%
Weather7.1%
Security0.0%
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.