Alamosa (ALS) to Denver (DEN)
Flight time
≈ 1h 10m
Bearing
21° N
Alamosa (ALS) to Denver (DEN) is 180 miles (289 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ALS–DEN
Filed traffic dataIn July 2026, Denver Air Connection was the only carrier flying nonstop ALS–DEN; the Embraer ERJ-145 was the most common aircraft at 100% of departures; flights ran 58% full.
Departures
107
July 2026
Seats
4,440
both directions
Passengers
2,595
both directions
Load factor
58.5%
RPM ÷ ASM
Who flies ALS–DEN?
Denver Air Connection was the only carrier to fly nonstop ALS–DEN in July 2026 (107 departures).
- KG
Denver Air Connection
107 departures · 4,440 seats
Share of departures100.0%58.5%
Load
What plane flies ALS–DEN?
In July 2026, the Embraer ERJ-145 flew 100% of ALS–DEN departures.
- Embraer ERJ-145
107 departures · 58.5% load
100.0%
How has ALS–DEN traffic changed?
Nonstop ALS–DEN departures rose from 106 in August 2025 to 107 in July 2026.
Monthly nonstop ALS–DEN traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
106 departures · 2,434 passengers
52.1%
Load
September 2025
103 departures · 2,129 passengers
46.3%
Load
October 2025
107 departures · 1,981 passengers
39.4%
Load
November 2025
96 departures · 1,587 passengers
52.7%
Load
December 2025
107 departures · 2,129 passengers
59.0%
Load
January 2026
104 departures · 1,640 passengers
52.6%
Load
February 2026
96 departures · 1,493 passengers
47.3%
Load
March 2026
106 departures · 1,867 passengers
55.9%
Load
April 2026
95 departures · 1,515 passengers
51.4%
Load
May 2026
106 departures · 1,916 passengers
48.2%
Load
June 2026
103 departures · 2,301 passengers
50.7%
Load
July 2026
107 departures · 2,595 passengers
58.5%
Load
By direction
Each direction is filed separately — they rarely match.
DEN → ALS
53.4% full
54 departures · 1,325 passengers
ALS → DEN
64.8% full
53 departures · 1,270 passengers
Nonstop ALS–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).
The airports
Alamosa
US
San Luis Valley Regional Airport/Bergman Field
Coordinates
37.43°N, 105.87°W
Hemisphere
N · W
Frequently asked
How far is Alamosa (ALS) from Denver (DEN)?
ALS to DEN is 180 miles (289 km / 156 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ALS to DEN?
A nonstop covers the 180-mile great-circle distance in roughly 1h 10m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ALS–DEN?
In July 2026, the Embraer ERJ-145 flew the largest share of departures (100.0%).
What mileage do I earn flying ALS–DEN?
Distance-based programs credit off the 180-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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