Bellingham International Airport (BLI): Delays & On-Time Performance
Data through May 2026
Bellingham International Airport (BLI) runs noticeably smoother than most US airports: 87% of its ~6 daily departures leave on time, 9 points above the national average, with an average departure delay of just 10 minutes. 3 airlines fly from Bellingham, WA to 10 destinations.
- Departures on-time
- 87%
- left <15 min late
- Avg dep delay
- 10 min
- Arrivals on-time
- 83%
- Cancelled
- 1.1%
- Destinations
- 10
- nonstop
- Airlines
- 3
Monthly on-time trend
Best time of day to depart from BLI
Busiest routes from BLI
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| BLI → SEA | 1,277 | 80% | 13 min |
| BLI → LAS | 457 | 92% | 9 min |
| BLI → AZA | 145 | 90% | 13 min |
| BLI → OAK | 142 | 91% | 8 min |
| BLI → PSP | 106 | 87% | 12 min |
Airline performance at BLI
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Allegiant Air | 91% | 9 min | 2,015 |
| SkyWest Airlines | 85% | 10 min | 2,485 |
| Southwest Airlines | 78% | 12 min | 203 |
Frequently asked questions
- How often are flights delayed at BLI?
- 13% of departures from Bellingham International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 10 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from BLI?
- Flights scheduled around 6 a.m. depart on time 97% of the time at BLI, versus 76% around 1 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at BLI?
- In this dataset, September 2024 was the weakest month at BLI, with 81% of departures on time.
- How often are flights cancelled at BLI?
- 1.1% of scheduled departures from BLI were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Based on 4,703 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.