Seattle (SEA) to Sitka (SIT) flights
Alaska Airlines flies nonstop from Seattle-Tacoma International Airport to Sitka Rocky Gutierrez Airport, with about 14 flights a week in July 2026. The 861-mile flight takes about 2h 24m gate to gate.
- Distance
- 861 mi · 1,386 km
- Flight time
- 2h 24m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying SEA to SIT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737 MAX 9, Boeing 737-800, Boeing 737-900ER | 27,780 | 2h 24m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to SIT flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 11:35am 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 633Alaska Airlines | 11:35am | 1:10pm | 31 | 75% |
| AS 91Alaska Airlines | 9:18pm | 10:44pm | 17 | 68% |
Is SEA to SIT on time?
From September 2025 to August 2026, 73% of 242 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 11am were the most punctual (76%), those around 9pm the least (68%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 242 | 73% | 13 min | 0.4% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 49 | 6,848 | |
| September 2025 | 31 | 2,497 | |
| October 2025 | 3 | 139 | |
| December 2025 | 2 | 242 | |
| January 2026 | 4 | 455 | |
| May 2026 | 39 | 3,178 | |
| June 2026 | 59 | 6,969 | |
| July 2026 | 62 | 7,452 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.