Bellingham (BLI) to Seattle (SEA) flights
SkyWest Airlines flies nonstop from Bellingham International Airport to Seattle-Tacoma International Airport, with about 21 flights a week in July 2026. The 93-mile flight takes about 55m gate to gate.
- Distance
- 93 mi · 150 km
- Flight time
- 55m
- Airlines
- 1
- Seats filled
- 86%
Airlines flying BLI to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 21 | Embraer E175 | 77,679 | 55m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 1,838 | 56m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BLI to SEA flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:00am and the last at 5:26pm. 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 3448Alaska Airlines · operated by SkyWest Airlines | 6:00am | 6:53am | 31 | 91% |
| AS 3294Alaska Airlines · operated by SkyWest Airlines | 1:49pm | 2:46pm | 31 | 77% |
| AS 3433Alaska Airlines · operated by SkyWest Airlines | 5:26pm | 6:25pm | 31 | 79% |
Is BLI to SEA on time?
From September 2025 to August 2026, 81% of 1,214 flights arrived within 15 minutes of schedule and 2.1% were cancelled. Flights leaving around 5am were the most punctual (92%), those around 5pm the least (72%). Most delay time was caused by late-arriving aircraft (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 1,214 | 81% | 11 min | 2.1% |
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 |
|---|---|---|---|
| 5am to 6am | 266 | 92% | |
| 6am to 7am | 98 | 87% | |
| 8am to 9am | 85 | 87% | |
| 9am to 10am | 77 | 77% | |
| 11am to 12pm | 34 | 79% | |
| 12pm to 1pm | 81 | 82% | |
| 1pm to 2pm | 222 | 73% | |
| 2pm to 3pm | 28 | 82% | |
| 3pm to 4pm | 42 | 67% | |
| 4pm to 5pm | 99 | 73% | |
| 5pm to 6pm | 113 | 72% | |
| 6pm to 7pm | 35 | 86% | |
| 7pm to 8pm | 34 | 91% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 123 | 8,323 | |
| September 2025 | 120 | 7,978 | |
| October 2025 | 122 | 8,064 | |
| November 2025 | 106 | 6,521 | |
| December 2025 | 121 | 7,595 | |
| January 2026 | 91 | 6,260 | |
| February 2026 | 82 | 5,188 | |
| March 2026 | 88 | 5,548 | |
| April 2026 | 90 | 5,448 | |
| May 2026 | 93 | 5,855 | |
| June 2026 | 90 | 6,231 | |
| July 2026 | 94 | 6,654 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.