Boise (BOI) to Chicago (ORD)
Flight time
≈ 3h 40m
Bearing
85° E
Boise (BOI) to Chicago (ORD) is 1,433 miles (2,307 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–ORD
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 4 carriers flying nonstop BOI–ORD; the Embraer E175 was the most common aircraft at 73% of departures; flights ran 83% full.
Departures
181
April 2026
Seats
16,084
both directions
Passengers
13,305
both directions
Load factor
82.7%
passengers ÷ seats
Who flies BOI–ORD?
SkyWest Airlines operated the most nonstop BOI–ORD departures in April 2026 (120), one of 4 carriers on the route.
- OO
SkyWest Airlines
120 departures · 8,862 seats
Share of departures66.3%80.5%
Load
- AA
American Airlines
48 departures · 6,144 seats
Share of departures26.5%87.5%
Load
- MQ
Envoy Air
12 departures · 912 seats
Share of departures6.6%73.1%
Load
- UA
United Airlines
1 departures · 166 seats
Share of departures0.6%75.9%
Load
What plane flies BOI–ORD?
In April 2026, the Embraer E175 flew 73% of BOI–ORD departures — more than any other aircraft type.
- Embraer E175
132 departures · 79.8% load
72.9% - Airbus A319
48 departures · 87.5% load
26.5% - Boeing 737-800
1 departures · 75.9% load
0.5%
How has BOI–ORD traffic changed?
Nonstop BOI–ORD departures rose from 124 in May 2025 to 181 in April 2026.
Monthly nonstop BOI–ORD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
124 departures · 9,571 passengers
91.9%
Load
June 2025
172 departures · 14,487 passengers
89.9%
Load
July 2025
185 departures · 15,301 passengers
90.0%
Load
August 2025
182 departures · 18,874 passengers
91.9%
Load
September 2025
181 departures · 20,001 passengers
90.5%
Load
October 2025
184 departures · 22,477 passengers
89.5%
Load
November 2025
169 departures · 13,190 passengers
75.7%
Load
December 2025
206 departures · 12,300 passengers
81.3%
Load
January 2026
191 departures · 10,554 passengers
75.0%
Load
February 2026
170 departures · 9,700 passengers
77.3%
Load
March 2026
181 departures · 11,279 passengers
83.1%
Load
April 2026
181 departures · 13,305 passengers
82.7%
Load
By direction
The DOT files each direction separately — they rarely match.
BOI → ORD
86.6% full
92 departures · 7,015 passengers
ORD → BOI
78.8% full
89 departures · 6,290 passengers
Nonstop BOI–ORD traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Boise (BOI) from Chicago (ORD)?
BOI to ORD is 1,433 miles (2,307 km / 1,246 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to ORD?
A nonstop covers the 1,433-mile great-circle distance in roughly 3h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOI–ORD?
In April 2026, the Embraer E175 flew the largest share of departures (72.9%), followed by the Airbus A319 (26.5%).
What mileage do I earn flying BOI–ORD?
Distance-based programs credit off the 1,433-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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