Billings (BIL) to Chicago (ORD)
Flight time
≈ 2h 55m
Bearing
97° E
Billings (BIL) to Chicago (ORD) is 1,058 miles (1,702 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BIL–ORD
US DOT T-100 · filed dataIn November 2025, Alaska Airlines operated the most departures, one of 3 carriers flying nonstop BIL–ORD; the Embraer E175 was the most common aircraft at 40% of departures; flights ran 64% full.
Departures
5
November 2025
Seats
617
both directions
Passengers
396
both directions
Load factor
64.2%
passengers ÷ seats
Who flies BIL–ORD?
Alaska Airlines operated the most nonstop BIL–ORD departures in November 2025 (2), one of 3 carriers on the route.
- AS
Alaska Airlines
2 departures · 339 seats
Share of departures40.0%70.8%
Load
- MQ
Envoy Air
2 departures · 152 seats
Share of departures40.0%50.7%
Load
- UA
United Airlines
1 departures · 126 seats
Share of departures20.0%62.7%
Load
What plane flies BIL–ORD?
In November 2025, the Embraer E175 flew 40% of BIL–ORD departures — more than any other aircraft type.
- Embraer E175
2 departures · 50.7% load
40.0% - Boeing 737-700
1 departures · 62.7% load
20.0% - Boeing 737 MAX 8
1 departures · 51.5% load
20.0% - Boeing 737 MAX 9
1 departures · 88.2% load
20.0%
How has BIL–ORD traffic changed?
Nonstop BIL–ORD departures fell from 21 in May 2025 to 5 in November 2025.
Monthly nonstop BIL–ORD traffic, trailing 12 months through November 2025. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
21 departures · 1,505 passengers
95.0%
Load
June 2025
164 departures · 10,275 passengers
85.8%
Load
July 2025
184 departures · 11,368 passengers
85.7%
Load
August 2025
182 departures · 11,145 passengers
85.2%
Load
September 2025
179 departures · 10,783 passengers
82.4%
Load
October 2025
121 departures · 7,178 passengers
78.6%
Load
November 2025
5 departures · 396 passengers
64.2%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → BIL
55.4% full
3 departures · 201 passengers
BIL → ORD
76.8% full
2 departures · 195 passengers
Nonstop BIL–ORD traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through November 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Billings (BIL) from Chicago (ORD)?
BIL to ORD is 1,058 miles (1,702 km / 919 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIL to ORD?
A nonstop covers the 1,058-mile great-circle distance in roughly 2h 55m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIL–ORD?
In November 2025, the Embraer E175 flew the largest share of departures (40.0%), followed by the Boeing 737-700 (20.0%).
What mileage do I earn flying BIL–ORD?
Distance-based programs credit off the 1,058-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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