Missoula (MSO) to Chicago (ORD)
Flight time
≈ 3h 27m
Bearing
95° E
Missoula (MSO) to Chicago (ORD) is 1,329 miles (2,139 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MSO–ORD
Filed traffic dataIn May 2026, Envoy Air operated the most departures, one of 2 carriers flying nonstop MSO–ORD; the Embraer E175 was the most common aircraft at 76% of departures; flights ran 79% full.
Departures
82
May 2026
Seats
7,904
both directions
Passengers
6,249
both directions
Load factor
79.1%
RPM ÷ ASM
Who flies MSO–ORD?
Envoy Air operated the most nonstop MSO–ORD departures in May 2026 (62), one of 2 carriers on the route.
- MQ
62 departures · 4,712 seats
Share of departures75.6%87.1%
Load
- UA
20 departures · 3,192 seats
Share of departures24.4%67.1%
Load
What plane flies MSO–ORD?
In May 2026, the Embraer E175 flew 76% of MSO–ORD departures — more than any other aircraft type.
- Embraer E175
62 departures · 87.1% load
75.6% - Boeing 737-800
12 departures · 66.9% load
14.6% - Airbus A320
8 departures · 67.5% load
9.8%
How has MSO–ORD traffic changed?
Nonstop MSO–ORD departures fell from 164 in June 2025 to 82 in May 2026.
Monthly nonstop MSO–ORD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
164 departures · 13,577 passengers
80.5%
Load
July 2025
179 departures · 16,527 passengers
86.4%
Load
August 2025
174 departures · 15,412 passengers
82.5%
Load
September 2025
143 departures · 9,605 passengers
87.0%
Load
October 2025
70 departures · 4,358 passengers
81.9%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
27 departures · 1,655 passengers
80.7%
Load
January 2026
62 departures · 2,990 passengers
65.3%
Load
February 2026
56 departures · 3,230 passengers
75.9%
Load
March 2026
61 departures · 3,897 passengers
84.5%
Load
April 2026
59 departures · 3,820 passengers
85.2%
Load
May 2026
82 departures · 6,249 passengers
79.1%
Load
By direction
Each direction is filed separately — they rarely match.
ORD → MSO
75.5% full
42 departures · 3,111 passengers
MSO → ORD
82.9% full
40 departures · 3,138 passengers
Nonstop MSO–ORD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Missoula (MSO) from Chicago (ORD)?
MSO to ORD is 1,329 miles (2,139 km / 1,155 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MSO to ORD?
A nonstop covers the 1,329-mile great-circle distance in roughly 3h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MSO–ORD?
In May 2026, the Embraer E175 flew the largest share of departures (75.6%), followed by the Boeing 737-800 (14.6%).
What mileage do I earn flying MSO–ORD?
Distance-based programs credit off the 1,329-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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