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
US DOT T-100 · filed dataIn April 2026, Envoy Air operated the most departures, one of 2 carriers flying nonstop MSO–ORD; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 85% full.
Departures
59
April 2026
Seats
4,484
both directions
Passengers
3,820
both directions
Load factor
85.2%
passengers ÷ seats
Who flies MSO–ORD?
Envoy Air operated the most nonstop MSO–ORD departures in April 2026 (58), one of 2 carriers on the route.
- MQ
Envoy Air
58 departures · 4,408 seats
Share of departures98.3%86.7%
Load
- OO
SkyWest Airlines
1 departures · 76 seats
Share of departures1.7%0.0%
Load
What plane flies MSO–ORD?
In April 2026, the Embraer E175 flew 100% of MSO–ORD departures.
- Embraer E175
59 departures · 85.2% load
100.0%
How has MSO–ORD traffic changed?
Nonstop MSO–ORD departures rose from 20 in May 2025 to 59 in April 2026.
Monthly nonstop MSO–ORD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
20 departures · 2,396 passengers
79.9%
Load
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
By direction
The DOT files each direction separately — they rarely match.
ORD → MSO
81.4% full
30 departures · 1,856 passengers
MSO → ORD
89.1% full
29 departures · 1,964 passengers
Nonstop MSO–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 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 April 2026, the Embraer E175 flew the largest share of departures (100.0%).
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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