Billings (BIL) to Denver (DEN)
Flight time
≈ 1h 43m
Bearing
153° SE
Billings (BIL) to Denver (DEN) is 455 miles (733 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BIL–DEN
Filed traffic dataIn July 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop BIL–DEN; the Bombardier CRJ-200 was the most common aircraft at 46% of departures; flights ran 89% full.
Departures
357
July 2026
Seats
33,850
both directions
Passengers
30,006
both directions
Load factor
88.6%
seat-miles filled
Who flies BIL–DEN?
SkyWest Airlines operated the most nonstop BIL–DEN departures in July 2026 (238), one of 2 carriers on the route.
- OO
238 departures · 13,316 seats
Share of departures66.7%88.0%
Load
- UA
119 departures · 20,534 seats
Share of departures33.3%89.0%
Load
What plane flies BIL–DEN?
In July 2026, the Bombardier CRJ-200 flew 46% of BIL–DEN departures — more than any other aircraft type.
- Bombardier CRJ-200
166 departures · 89.6% load
46.5% - Boeing 737-800
59 departures · 91.6% load
16.5% - Boeing 737-900ER
58 departures · 86.5% load
16.3% - Embraer E175
28 departures · 85.4% load
7.8% - Embraer E170
24 departures · 89.9% load
6.7% - Bombardier CRJ-700
14 departures · 82.2% load
3.9% - Bombardier CRJ-550
6 departures · 71.0% load
1.7% - Boeing 737 MAX 9
2 departures · 95.3% load
0.6%
How has BIL–DEN traffic changed?
Nonstop BIL–DEN departures fell from 359 in August 2025 to 357 in July 2026.
Monthly nonstop BIL–DEN traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
359 departures · 30,868 passengers
87.4%
Load
September 2025
337 departures · 26,920 passengers
78.9%
Load
October 2025
314 departures · 27,435 passengers
78.8%
Load
November 2025
285 departures · 24,743 passengers
82.1%
Load
December 2025
252 departures · 24,099 passengers
83.8%
Load
January 2026
247 departures · 22,316 passengers
74.7%
Load
February 2026
220 departures · 20,497 passengers
77.2%
Load
March 2026
245 departures · 23,877 passengers
81.6%
Load
April 2026
256 departures · 23,960 passengers
84.4%
Load
May 2026
328 departures · 28,996 passengers
85.6%
Load
June 2026
352 departures · 31,096 passengers
88.4%
Load
July 2026
357 departures · 30,006 passengers
88.6%
Load
By direction
Each direction is filed separately — they rarely match.
BIL → DEN
89.6% full
179 departures · 15,137 passengers
DEN → BIL
87.7% full
178 departures · 14,869 passengers
Nonstop BIL–DEN traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work). Load factor is RPM ÷ ASM (revenue passenger-miles ÷ available seat-miles).
The airports
Frequently asked
How far is Billings (BIL) from Denver (DEN)?
BIL to DEN is 455 miles (733 km / 396 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIL to DEN?
A nonstop covers the 455-mile great-circle distance in roughly 1h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIL–DEN?
In July 2026, the Bombardier CRJ-200 flew the largest share of departures (46.5%), followed by the Boeing 737-800 (16.5%).
What mileage do I earn flying BIL–DEN?
Distance-based programs credit off the 455-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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