San Luis Obispo (SBP) to Seattle (SEA) flights
Horizon Air flies nonstop from San Luis County Regional Airport to Seattle-Tacoma International Airport, with about 14 flights a week in July 2026. The 847-mile flight takes about 2h 27m gate to gate.
- Distance
- 847 mi · 1,363 km
- Flight time
- 2h 27m
- Airlines
- 1
- Seats filled
- 77%
Airlines flying SBP to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 14 | Embraer E175 | 15,468 | 2h 23m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737-700 / MAX 7 | 21,042 | 2h 31m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 1,914 | 2h 39m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SBP to SEA flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 10:11am and the last at 7:34pm. 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 2024Alaska Airlines · operated by Horizon Air | 10:11am | 12:38pm | 13 | 92% |
| AS 2133Alaska Airlines · operated by Horizon Air | 10:50am | 1:14pm | 18 | 76% |
| AS 2100Alaska Airlines · operated by Horizon Air | 6:37pm | 9:04pm | 13 | 85% |
| AS 2066Alaska Airlines · operated by Horizon Air | 7:34pm | 9:58pm | 18 | 68% |
Is SBP to SEA on time?
From September 2025 to August 2026, 81% of 494 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 2pm were the most punctual (93%), those around 7pm the least (77%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 494 | 81% | 10 min | 1% |
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 |
|---|---|---|---|
| 7am to 8am | 21 | 76% | |
| 10am to 11am | 83 | 78% | |
| 2pm to 3pm | 27 | 93% | |
| 3pm to 4pm | 19 | 74% | |
| 4pm to 5pm | 29 | 86% | |
| 6pm to 7pm | 80 | 91% | |
| 7pm to 8pm | 234 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 3,616 | |
| September 2025 | 27 | 3,114 | |
| October 2025 | 30 | 2,711 | |
| November 2025 | 30 | 3,057 | |
| December 2025 | 30 | 3,383 | |
| January 2026 | 31 | 2,200 | |
| February 2026 | 28 | 1,973 | |
| March 2026 | 29 | 2,714 | |
| April 2026 | 39 | 3,835 | |
| May 2026 | 62 | 3,894 | |
| June 2026 | 60 | 3,971 | |
| July 2026 | 60 | 3,956 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.