Jackson (JAC) to Seattle (SEA) flights
SkyWest Airlines flies nonstop from Jackson Hole Airport to Seattle-Tacoma International Airport, with about 7 flights a week in July 2026. The 621-mile flight takes about 2h 13m gate to gate.
- Distance
- 621 mi · 999 km
- Flight time
- 2h 13m
- Airlines
- 1
- Seats filled
- 64%
Airlines flying JAC to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 7 | Embraer E175 | 9,740 | 2h 13m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
JAC to SEA flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 11:55am and the last at 12:00pm. 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 3123Alaska Airlines · operated by SkyWest Airlines | 11:55am | 1:09pm | 13 | 62% |
| AS 3363Alaska Airlines · operated by SkyWest Airlines | 12:00pm | 1:22pm | 18 | 80% |
Is JAC to SEA on time?
From September 2025 to August 2026, 84% of 203 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 12pm were the most punctual (86%), those around 11am the least (62%). Most delay time was caused by late-arriving aircraft (61%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 203 | 84% | 11 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 |
|---|---|---|---|
| 11am to 12pm | 13 | 62% | |
| 12pm to 1pm | 145 | 86% | |
| 1pm to 2pm | 25 | 84% | |
| 4pm to 5pm | 20 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 1,677 | |
| September 2025 | 30 | 1,639 | |
| October 2025 | 3 | 158 | |
| December 2025 | 13 | 436 | |
| January 2026 | 24 | 916 | |
| February 2026 | 20 | 992 | |
| March 2026 | 21 | 1,004 | |
| May 2026 | 6 | 240 | |
| June 2026 | 23 | 1,141 | |
| July 2026 | 30 | 1,537 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.