Seattle (SEA) to Monterey (MRY) flights
Horizon Air flies nonstop from Seattle-Tacoma International Airport to Monterey Regional Airport, with about 7 flights a week in July 2026. The 750-mile flight takes about 2h 14m gate to gate.
- Distance
- 750 mi · 1,207 km
- Flight time
- 2h 14m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying SEA to MRY
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 7 | Embraer E175 | 17,768 | 2h 14m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 2,466 | 2h 17m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to MRY flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 3:20pm and the last at 3:28pm. 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 2129Alaska Airlines · operated by Horizon Air | 3:20pm | 5:42pm | 18 | 79% |
| AS 2290Alaska Airlines · operated by Horizon Air | 3:28pm | 5:46pm | 13 | 84% |
Is SEA to MRY on time?
From September 2025 to August 2026, 84% of 334 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 4pm were the most punctual (89%), those around 5pm the least (68%). Most delay time was caused by late-arriving aircraft (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 334 | 84% | 8 min | 0.3% |
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 | 42 | 83% | |
| 1pm to 2pm | 45 | 82% | |
| 2pm to 3pm | 11 | 91% | |
| 3pm to 4pm | 136 | 84% | |
| 4pm to 5pm | 80 | 89% | |
| 5pm to 6pm | 20 | 68% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 30 | 1,977 | |
| September 2025 | 30 | 1,911 | |
| October 2025 | 30 | 1,846 | |
| November 2025 | 29 | 1,546 | |
| December 2025 | 30 | 1,619 | |
| January 2026 | 20 | 1,177 | |
| February 2026 | 16 | 958 | |
| March 2026 | 24 | 1,538 | |
| April 2026 | 30 | 1,825 | |
| May 2026 | 31 | 1,977 | |
| June 2026 | 29 | 1,815 | |
| July 2026 | 31 | 2,045 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.