Boise (BOI) to Ontario (ONT)
Flight time
≈ 2h 07m
Bearing
187° S
Boise (BOI) to Ontario (ONT) is 661 miles (1,064 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–ONT
Filed traffic dataIn July 2026, Horizon Air operated the most departures, one of 2 carriers flying nonstop BOI–ONT; the Embraer E175 was the most common aircraft at 98% of departures; flights ran 86% full.
Departures
64
July 2026
Seats
4,963
both directions
Passengers
4,258
both directions
Load factor
85.8%
RPM ÷ ASM
Who flies BOI–ONT?
Horizon Air operated the most nonstop BOI–ONT departures in July 2026 (63), one of 2 carriers on the route.
- QX
63 departures · 4,788 seats
Share of departures98.4%85.7%
Load
- WN
1 departures · 175 seats
Share of departures1.6%88.0%
Load
What plane flies BOI–ONT?
In July 2026, the Embraer E175 flew 98% of BOI–ONT departures — more than any other aircraft type.
- Embraer E175
63 departures · 85.7% load
98.4% - Boeing 737 MAX 8
1 departures · 88.0% load
1.6%
How has BOI–ONT traffic changed?
Nonstop BOI–ONT departures rose from 1 in November 2025 to 64 in July 2026.
Monthly nonstop BOI–ONT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
November 2025
1 departures · 170 passengers
91.4%
Load
December 2025
1 departures · 68 passengers
89.5%
Load
January 2026
51 departures · 2,072 passengers
52.5%
Load
February 2026
54 departures · 2,844 passengers
69.3%
Load
March 2026
61 departures · 3,767 passengers
81.3%
Load
April 2026
60 departures · 3,700 passengers
81.1%
Load
May 2026
62 departures · 3,906 passengers
82.9%
Load
June 2026
60 departures · 3,900 passengers
85.5%
Load
July 2026
64 departures · 4,258 passengers
85.8%
Load
By direction
Each direction is filed separately — they rarely match.
ONT → BOI
85.8% full
33 departures · 2,152 passengers
BOI → ONT
85.8% full
31 departures · 2,106 passengers
Nonstop BOI–ONT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Boise (BOI) from Ontario (ONT)?
BOI to ONT is 661 miles (1,064 km / 574 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to ONT?
A nonstop covers the 661-mile great-circle distance in roughly 2h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOI–ONT?
In July 2026, the Embraer E175 flew the largest share of departures (98.4%), followed by the Boeing 737 MAX 8 (1.6%).
What mileage do I earn flying BOI–ONT?
Distance-based programs credit off the 661-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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