Route Reliability
Tampa → Seattle
TPA–SEA · 2,520 miles · Tampa International Airport to Seattle–Tacoma International Airport
- 76%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.8%
- Cancelled
- 976
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines88%363 flights
- 2.Alaska Airlines68%613 flights
What the data says
Morning-you made the right choice.
TPA–SEA flights departing between 6–9 AM arrived on time 83% of the time, versus 58% between 6–9 PM.
Skip Thursday if you can.
TPA–SEA flights arrived on time 81% of the time on Wednesdays. On Thursdays: 72%.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 88% of the time on this route; Alaska Airlines managed 68%.
Trending in the right direction.
TPA–SEA flights arrived on time 79% of the time over the last three months in the data, compared with 68% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon73%(143 flights)
- Tue77%(133 flights)
- Wed81%(131 flights)
- Thu72%(141 flights)
- Fri74%(139 flights)
- Sat79%(132 flights)
- Sun74%(143 flights)
- 6–9 AM83%(651 flights)
- 9 AM–12 PM73%(15 flights)
- 3–6 PM77%(35 flights)
- 6–9 PM58%(261 flights)
Jun 70% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 90 |
| July 2025 | 74% | 92 |
| August 2025 | 76% | 87 |
| September 2025 | 81% | 77 |
| October 2025 | 80% | 61 |
| November 2025 | 88% | 67 |
| December 2025 | 66% | 84 |
| January 2026 | 71% | 66 |
| February 2026 | 66% | 73 |
| March 2026 | 76% | 86 |
| April 2026 | 84% | 87 |
| May 2026 | 78% | 92 |
Keep nerding
Based on 976 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.