Seattle (SEA) to Bozeman (BZN) flights
SkyWest Airlines, Alaska Airlines, Horizon Air fly nonstop from Seattle-Tacoma International Airport to Bozeman Yellowstone International Airport, with about 42 flights a week in July 2026. The 543-mile flight takes about 1h 39m gate to gate.
- Distance
- 543 mi · 874 km
- Flight time
- 1h 39m
- Airlines
- 3
- Seats filled
- 71%
Airlines flying SEA to BZN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 21 | Embraer E175 | 52,337 | 1h 43m |
| Alaska Airlines | 14 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 70,503 | 1h 38m |
| Horizon Air | 7 | Embraer E175 | 32,231 | 1h 34m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to BZN flight schedule
8 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:06am and the last at 8:40pm. 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 2141Alaska Airlines · operated by Horizon Air | 7:06am | 9:46am | 31 | 94% |
| AS 285Alaska Airlines | 11:29am | 2:09pm | 18 | 71% |
| DL 4104Delta Air Lines · operated by SkyWest Airlines | 11:40am | 2:34pm | 31 | 82% |
| AS 277Alaska Airlines | 11:47am | 2:38pm | 13 | 82% |
| AS 3498Alaska Airlines · operated by SkyWest Airlines | 3:35pm | 6:18pm | 18 | 62% |
| DL 4039Delta Air Lines · operated by SkyWest Airlines | 7:50pm | 10:42pm | 31 | 83% |
| AS 1323Alaska Airlines | 8:16pm | 10:59pm | 13 | 85% |
| AS 458Alaska Airlines | 8:40pm | 11:19pm | 18 | 64% |
Is SEA to BZN on time?
From September 2025 to August 2026, 84% of 2,074 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 7am were the most punctual (97%), those around 3pm the least (66%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 1,299 | 83% | 10 min | 0.8% |
| Delta Air Lines | 775 | 86% | 9 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 |
|---|---|---|---|
| 7am to 8am | 144 | 97% | |
| 8am to 9am | 243 | 91% | |
| 11am to 12pm | 565 | 81% | |
| 12pm to 1pm | 75 | 85% | |
| 1pm to 2pm | 51 | 92% | |
| 3pm to 4pm | 110 | 66% | |
| 4pm to 5pm | 171 | 87% | |
| 7pm to 8pm | 361 | 88% | |
| 8pm to 9pm | 204 | 76% | |
| 9pm to 10pm | 145 | 85% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 207 | 16,764 | |
| September 2025 | 192 | 13,928 | |
| October 2025 | 161 | 12,131 | |
| November 2025 | 157 | 10,101 | |
| December 2025 | 176 | 12,689 | |
| January 2026 | 179 | 11,529 | |
| February 2026 | 160 | 11,542 | |
| March 2026 | 169 | 11,657 | |
| April 2026 | 162 | 9,803 | |
| May 2026 | 180 | 13,888 | |
| June 2026 | 180 | 15,515 | |
| July 2026 | 186 | 15,623 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.