Seattle (SEA) to Tampa (TPA) flights
Alaska Airlines, Delta Air Lines fly nonstop from Seattle-Tacoma International Airport to Tampa International Airport, with about 21 flights a week in July 2026. The 2,520-mile flight takes about 5h 18m gate to gate.
- Distance
- 2,520 mi · 4,056 km
- Flight time
- 5h 18m
- Airlines
- 2
- Seats filled
- 90%
Airlines flying SEA to TPA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800 | 95,900 | 5h 17m |
| Delta Air Lines | 7 | Airbus A321, Boeing 737-800, Boeing 737-900ER | 60,252 | 5h 21m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to TPA flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:21am and the last at 9:18pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 262Alaska Airlines | 9:21am | 5:51pm | 18 | 64% |
| AS 326Alaska Airlines | 9:22am | 5:52pm | 13 | 85% |
| DL 358Delta Air Lines | 11:45am | 8:19pm | 31 | 79% |
| AS 639Alaska Airlines | 9:18pm | 5:48am | 26 | 83% |
Is SEA to TPA on time?
From September 2025 to August 2026, 80% of 975 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 8am were the most punctual (95%), those around 9am the least (75%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 612 | 81% | 10 min | 0.5% |
| Delta Air Lines | 363 | 79% | 14 min | 0.6% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 8am to 9am | 63 | 95% | |
| 9am to 10am | 266 | 75% | |
| 10am to 11am | 36 | 94% | |
| 11am to 12pm | 306 | 77% | |
| 12pm to 1pm | 56 | 88% | |
| 9pm to 10pm | 197 | 80% | |
| 10pm to 11pm | 22 | 82% | |
| 11pm to 12am | 29 | 93% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 14,892 | |
| September 2025 | 76 | 12,469 | |
| October 2025 | 60 | 10,278 | |
| November 2025 | 66 | 10,919 | |
| December 2025 | 84 | 13,402 | |
| January 2026 | 68 | 10,828 | |
| February 2026 | 73 | 11,213 | |
| March 2026 | 90 | 14,696 | |
| April 2026 | 87 | 13,781 | |
| May 2026 | 91 | 13,652 | |
| June 2026 | 90 | 14,782 | |
| July 2026 | 92 | 15,436 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.