Boise (BOI) to Chicago (MDW)
Flight time
≈ 3h 41m
Bearing
85° E
Boise (BOI) to Chicago (MDW) is 1,444 miles (2,324 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–MDW
Filed traffic dataIn October 2025, Southwest Airlines was the only carrier flying nonstop BOI–MDW; the Boeing 737-800 was the most common aircraft at 100% of departures; flights ran 95% full.
Departures
2
October 2025
Seats
350
both directions
Passengers
331
both directions
Load factor
94.6%
RPM ÷ ASM
Who flies BOI–MDW?
Southwest Airlines was the only carrier to fly nonstop BOI–MDW in October 2025 (2 departures).
- WN
2 departures · 350 seats
Share of departures100.0%94.6%
Load
What plane flies BOI–MDW?
In October 2025, the Boeing 737-800 flew 100% of BOI–MDW departures.
- Boeing 737-800
2 departures · 94.6% load
100.0%
How has BOI–MDW traffic changed?
Nonstop BOI–MDW departures fell from 40 in June 2025 to 2 in October 2025.
Monthly nonstop BOI–MDW traffic, trailing 12 months through October 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
40 departures · 5,964 passengers
86.8%
Load
July 2025
42 departures · 6,098 passengers
85.2%
Load
August 2025
38 departures · 5,373 passengers
87.5%
Load
September 2025
34 departures · 4,648 passengers
86.0%
Load
October 2025
2 departures · 331 passengers
94.6%
Load
By direction
Each direction is filed separately — they rarely match.
BOI → MDW
90.9% full
1 departures · 159 passengers
MDW → BOI
98.3% full
1 departures · 172 passengers
Nonstop BOI–MDW traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through October 2025; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Boise (BOI) from Chicago (MDW)?
BOI to MDW is 1,444 miles (2,324 km / 1,255 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to MDW?
A nonstop covers the 1,444-mile great-circle distance in roughly 3h 41m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOI–MDW?
In October 2025, the Boeing 737-800 flew the largest share of departures (100.0%).
What mileage do I earn flying BOI–MDW?
Distance-based programs credit off the 1,444-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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