Billings (BIL) to Rapid City (RAP)
Flight time
≈ 1h 23m
Bearing
112° E
Billings (BIL) to Rapid City (RAP) is 295 miles (474 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BIL–RAP
US DOT T-100 · filed dataIn July 2025, United Airlines operated the most departures, one of 2 carriers flying nonstop BIL–RAP; the Boeing 737-800 was the most common aircraft at 33% of departures; flights ran 91% full.
Departures
3
July 2025
Seats
421
both directions
Passengers
384
both directions
Load factor
91.2%
passengers ÷ seats
Who flies BIL–RAP?
United Airlines operated the most nonstop BIL–RAP departures in July 2025 (2), one of 2 carriers on the route.
- UA
United Airlines
2 departures · 345 seats
Share of departures66.7%94.5%
Load
- MQ
Envoy Air
1 departures · 76 seats
Share of departures33.3%76.3%
Load
What plane flies BIL–RAP?
In July 2025, the Boeing 737-800 flew 33% of BIL–RAP departures — more than any other aircraft type.
- Boeing 737-800
1 departures · 99.4% load
33.3% - Embraer E175
1 departures · 76.3% load
33.3% - Boeing 737-900ER
1 departures · 89.9% load
33.3%
How has BIL–RAP traffic changed?
Nonstop BIL–RAP departures rose from 2 in May 2025 to 3 in July 2025.
Monthly nonstop BIL–RAP traffic, trailing 12 months through July 2025. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
2 departures · 133 passengers
94.3%
Load
June 2025
0 departures · 0 passengers
—
Load
July 2025
3 departures · 384 passengers
91.2%
Load
By direction
The DOT files each direction separately — they rarely match.
RAP → BIL
85.9% full
2 departures · 219 passengers
BIL → RAP
99.4% full
1 departures · 165 passengers
Nonstop BIL–RAP traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 Rapid City (RAP)?
BIL to RAP is 295 miles (474 km / 256 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIL to RAP?
A nonstop covers the 295-mile great-circle distance in roughly 1h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIL–RAP?
In July 2025, the Boeing 737-800 flew the largest share of departures (33.3%), followed by the Embraer E175 (33.3%).
What mileage do I earn flying BIL–RAP?
Distance-based programs credit off the 295-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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