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

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

73.9% of 976 official scheduled TPA-to-SEA flights arrived on time; 12.8% arrived at least 30 minutes late and 0.8% 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
73.9%arrived on time
12.8%30+ min late
0.8%cancelled
976scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+7.1 mincompleted flights

Which departure time was most reliable for TPA to SEA?

Among qualifying TPA-to-SEA departure window results, Early morning had the highest on-time rate: 80.8% of 657 flights. Evening was lowest at 59.1% across 303 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning65780.8%8.7%0.5%
Evening30359.1%22.1%1.3%

Which weekday was most reliable for TPA to SEA?

Among qualifying TPA-to-SEA weekday results, Wednesday had the highest on-time rate: 78.9% of 133 flights. Thursday was lowest at 69.7% across 142 flights.

DayFlightsOn time30+ minCancelled
Monday14472.9%17.4%0.7%
Tuesday13876.1%10.9%0.7%
Wednesday13378.9%7.5%0.8%
Thursday14269.7%14.1%0.7%
Friday14270.4%11.3%0.7%
Saturday13378.2%12.0%0.8%
Sunday14471.5%16.0%1.4%

Which airline was most reliable for TPA to SEA?

Among qualifying TPA-to-SEA airline results, Delta Air Lines had the highest on-time rate: 85.7% of 363 flights. Alaska Airlines was lowest at 66.9% across 613 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines61366.9%16.6%0.8%
Delta Air Lines36385.7%6.3%0.8%

Which month was most reliable for TPA to SEA?

Among qualifying TPA-to-SEA month results, November 2025 had the highest on-time rate: 88.1% of 67 flights. December 2025 was lowest at 61.6% across 86 flights.

MonthFlightsOn time30+ minCancelled
July 20259372.0%14.0%0.0%
August 20258872.7%14.8%0.0%
September 20257779.2%10.4%0.0%
October 20256376.2%12.7%3.2%
November 20256788.1%1.5%0.0%
December 20258661.6%17.4%2.3%
January 20266869.1%16.2%1.5%
February 20267363.0%17.8%0.0%
March 20269170.3%16.5%2.2%
April 20268782.8%10.3%0.0%
May 20269377.4%12.9%1.1%
June 20269075.6%7.8%0.0%

What drove TPA to SEA delay minutes?

Airline was the largest recorded TPA-to-SEA delay category, accounting for 37.1% of 12,941 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.1%
Late aircraft29.3%
National airspace28.1%
Weather4.4%
Security1.1%
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.