Bozeman (BZN) to Chicago (ORD)
Flight time
≈ 3h 10m
Bearing
94° E
Bozeman (BZN) to Chicago (ORD) is 1,183 miles (1,903 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BZN–ORD
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop BZN–ORD; the Boeing 737-800 was the most common aircraft at 51% of departures; flights ran 81% full.
Departures
92
April 2026
Seats
15,118
both directions
Passengers
12,279
both directions
Load factor
81.2%
passengers ÷ seats
Who flies BZN–ORD?
United Airlines operated the most nonstop BZN–ORD departures in April 2026 (72), one of 2 carriers on the route.
- UA
United Airlines
72 departures · 11,678 seats
Share of departures78.3%83.3%
Load
- AA
American Airlines
20 departures · 3,440 seats
Share of departures21.7%74.1%
Load
What plane flies BZN–ORD?
In April 2026, the Boeing 737-800 flew 51% of BZN–ORD departures — more than any other aircraft type.
- Boeing 737-800
47 departures · 78.9% load
51.1% - Airbus A320
16 departures · 83.2% load
17.4% - Boeing 737 MAX 9
10 departures · 84.6% load
10.9% - Boeing 737 MAX 8
10 departures · 86.2% load
10.9% - Boeing 737-900ER
4 departures · 73.5% load
4.3% - Airbus A319
3 departures · 84.7% load
3.3% - Boeing 737-700
2 departures · 94.0% load
2.2%
How has BZN–ORD traffic changed?
Nonstop BZN–ORD departures fell from 140 in May 2025 to 92 in April 2026.
Monthly nonstop BZN–ORD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
140 departures · 19,879 passengers
89.2%
Load
June 2025
266 departures · 34,663 passengers
86.3%
Load
July 2025
282 departures · 37,862 passengers
88.7%
Load
August 2025
278 departures · 37,079 passengers
88.0%
Load
September 2025
268 departures · 36,699 passengers
86.9%
Load
October 2025
228 departures · 28,261 passengers
83.5%
Load
November 2025
61 departures · 6,389 passengers
80.0%
Load
December 2025
167 departures · 20,534 passengers
84.5%
Load
January 2026
205 departures · 25,149 passengers
79.0%
Load
February 2026
191 departures · 24,879 passengers
85.5%
Load
March 2026
228 departures · 30,638 passengers
85.0%
Load
April 2026
92 departures · 12,279 passengers
81.2%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → BZN
72.5% full
47 departures · 5,591 passengers
BZN → ORD
90.3% full
45 departures · 6,688 passengers
Nonstop BZN–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 Bozeman (BZN) from Chicago (ORD)?
BZN to ORD is 1,183 miles (1,903 km / 1,028 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BZN to ORD?
A nonstop covers the 1,183-mile great-circle distance in roughly 3h 10m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BZN–ORD?
In April 2026, the Boeing 737-800 flew the largest share of departures (51.1%), followed by the Airbus A320 (17.4%).
What mileage do I earn flying BZN–ORD?
Distance-based programs credit off the 1,183-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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