Bellingham International (BLI) Delays and On-Time Departures
Bellingham, WA · ranked 12th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
88.6% of the 2,237 flights scheduled to depart Bellingham (BLI) in the last 12 months left on time, 11.1 points above the US average of 77.4%.
That ranks 12th of 333 US airports tracked on this site, with 1.5% of departures cancelled.
Allegiant Air was the most punctual airline here, with 90.3% of departures on time.
November has been the best month (92% on time) and Thursday the weakest day of the week (85%).
Best time of day to fly out of Bellingham (BLI)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.0% | 2.8% | 528 |
| 6am–7am | 96.5% | 0.2% | 398 |
| 7am–8am | 94.8% | 0.3% | 311 |
| 8am–9am | 94.0% | 0.6% | 686 |
| 9am–10am | 94.4% | 1.7% | 238 |
| 10am–11am | 90.7% | 0.0% | 97 |
| 11am–12pm | 89.6% | 1.3% | 78 |
| 12pm–1pm | 81.4% | 2.5% | 407 |
| 1pm–2pm | 78.8% | 0.0% | 416 |
| 2pm–3pm | 80.9% | 0.6% | 322 |
| 3pm–4pm | 82.6% | 0.9% | 331 |
| 4pm–5pm | 77.2% | 2.0% | 255 |
| 5pm–6pm | 77.5% | 1.5% | 131 |
| 6pm–7pm | 83.7% | 0.9% | 223 |
| 7pm–8pm | 88.2% | 0.0% | 68 |
| 8pm–9pm | Limited data | 4 | |
| 9pm–10pm | Limited data | 23 | |
Airlines at BLI ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Allegiant Air | 90.3% | 88.2% | 0.7% | 885 |
| SkyWest Airlines | 87.4% | 84.1% | 2.0% | 1,352 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of BLI
On-time departures by day, 24 months.
Best month to fly out of BLI
On-time departures by month, 24 months.
Holiday travel at Bellingham (BLI)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 84.5% | -3.2 pts | 2.3% | 86 |
| Christmas & New Year (Dec 20 - Jan 3) | 86.7% | -1.1 pts | 2.3% | 215 |
| Summer peak (Jun 15 - Aug 15) | 88.0% | +0.2 pts | 0.1% | 823 |
| All other days | 87.7% | — | 1.2% | 3,392 |
Monthly on-time departure trend at BLI
On-time departure % each month, with the 12-month US average for reference.
Routes from Bellingham (BLI)
Every route from BLI with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| BLI → Seattle (SEA) | 83.2% | 2.1% | 1,217 |
| BLI → Las Vegas (LAS) | 87.9% | 1.4% | 435 |