Monterey (MRY) to Seattle (SEA) flights
Horizon Air flies nonstop from Monterey Regional Airport to Seattle-Tacoma International Airport, with about 7 flights a week in July 2026. The 750-mile flight takes about 2h 17m gate to gate.
- Distance
- 750 mi · 1,207 km
- Flight time
- 2h 17m
- Airlines
- 1
- Seats filled
- 80%
Airlines flying MRY to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 7 | Embraer E175 | 17,645 | 2h 16m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 2,356 | 2h 23m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MRY to SEA flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 6:19pm and the last at 6:23pm. 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 2128Alaska Airlines · operated by Horizon Air | 6:19pm | 8:35pm | 17 | 72% |
| AS 2290Alaska Airlines · operated by Horizon Air | 6:23pm | 8:40pm | 13 | 81% |
Is MRY to SEA on time?
From September 2025 to August 2026, 80% of 334 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 8pm were the most punctual (84%), those around 4pm the least (77%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 334 | 80% | 10 min | 1.2% |
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 |
|---|---|---|---|
| 11am to 12pm | 42 | 81% | |
| 4pm to 5pm | 45 | 77% | |
| 5pm to 6pm | 11 | 91% | |
| 6pm to 7pm | 136 | 78% | |
| 7pm to 8pm | 80 | 81% | |
| 8pm to 9pm | 20 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 1,958 | |
| September 2025 | 30 | 1,547 | |
| October 2025 | 30 | 1,711 | |
| November 2025 | 29 | 1,607 | |
| December 2025 | 30 | 1,713 | |
| January 2026 | 20 | 1,059 | |
| February 2026 | 16 | 959 | |
| March 2026 | 23 | 1,574 | |
| April 2026 | 29 | 1,872 | |
| May 2026 | 31 | 1,984 | |
| June 2026 | 30 | 1,990 | |
| July 2026 | 31 | 2,027 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.