Seattle (SEA) to Tucson (TUS) flights
SkyWest Airlines, Alaska Airlines fly nonstop from Seattle-Tacoma International Airport to Tucson International Airport, with about 21 flights a week in July 2026. The 1,215-mile flight takes about 3h 5m gate to gate.
- Distance
- 1,215 mi · 1,955 km
- Flight time
- 3h 5m
- Airlines
- 2
- Seats filled
- 81%
Airlines flying SEA to TUS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 14 | Embraer E175 | 24,283 | 3h 12m |
| Alaska Airlines | 7 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 77,303 | 3h 0m |
| Delta Air LinesSeasonal or ended | n/a | Airbus A220-100, Airbus A220-300, Boeing 737-800 | 13,500 | 3h 3m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to TUS flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 8:29am and the last at 6:05pm. 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) |
|---|---|---|---|---|
| DL 3680Delta Air Lines · operated by SkyWest Airlines | 8:29am | 11:53am | 31 | 94% |
| AS 648Alaska Airlines | 10:19am | 1:31pm | 31 | 78% |
| AS 3225Alaska Airlines · operated by SkyWest Airlines | 5:45pm | 9:05pm | 18 | 84% |
| AS 3160Alaska Airlines · operated by SkyWest Airlines | 6:05pm | 9:24pm | 13 | 92% |
Is SEA to TUS on time?
From September 2025 to August 2026, 83% of 1,065 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 8am were the most punctual (94%), those around 11am the least (71%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 700 | 79% | 10 min | 0.4% |
| Delta Air Lines | 365 | 89% | 8 min | 0.5% |
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 | 171 | 94% | |
| 9am to 10am | 275 | 87% | |
| 10am to 11am | 84 | 77% | |
| 11am to 12pm | 193 | 71% | |
| 5pm to 6pm | 102 | 80% | |
| 7pm to 8pm | 178 | 83% | |
| 8pm to 9pm | 40 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 96 | 9,061 | |
| September 2025 | 92 | 8,631 | |
| October 2025 | 85 | 9,889 | |
| November 2025 | 89 | 9,627 | |
| December 2025 | 85 | 10,065 | |
| January 2026 | 89 | 10,790 | |
| February 2026 | 80 | 10,542 | |
| March 2026 | 89 | 11,130 | |
| April 2026 | 90 | 10,509 | |
| May 2026 | 92 | 8,237 | |
| June 2026 | 90 | 7,919 | |
| July 2026 | 94 | 8,824 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.