Boise (BOI) to Ontario (ONT) flights
Horizon Air flies nonstop from Boise Air Terminal/Gowen Field to Ontario International Airport, with about 7 flights a week in July 2026. The 660-mile flight takes about 2h 3m gate to gate.
- Distance
- 660 mi · 1,062 km
- Flight time
- 2h 3m
- Airlines
- 1
- Seats filled
- 80%
Airlines flying BOI to ONT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 7 | Embraer E175 | 12,299 | 2h 3m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to ONT flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 2:31pm and the last at 3:02pm. 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 2025Alaska Airlines · operated by Horizon Air | 2:31pm | 3:38pm | 18 | 83% |
| AS 2406Alaska Airlines · operated by Horizon Air | 3:02pm | 4:10pm | 13 | 62% |
Is BOI to ONT on time?
From September 2025 to August 2026, 83% of 237 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 1pm were the most punctual (95%), those around 3pm the least (62%). Most delay time was caused by late-arriving aircraft (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 237 | 83% | 9 min | 0.8% |
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 |
|---|---|---|---|
| 1pm to 2pm | 21 | 95% | |
| 2pm to 3pm | 70 | 83% | |
| 3pm to 4pm | 13 | 62% | |
| 4pm to 5pm | 63 | 86% | |
| 5pm to 6pm | 24 | 83% | |
| 6pm to 7pm | 44 | 79% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| December 2025 | 1 | 68 | |
| January 2026 | 26 | 1,224 | |
| February 2026 | 27 | 1,489 | |
| March 2026 | 31 | 1,988 | |
| April 2026 | 30 | 1,897 | |
| May 2026 | 31 | 2,002 | |
| June 2026 | 30 | 1,919 | |
| July 2026 | 31 | 2,106 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.