Helena (HLN) to Salt Lake City (SLC)
Flight time
≈ 1h 36m
Bearing
180° S
Helena (HLN) to Salt Lake City (SLC) is 402 miles (647 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HLN–SLC
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines was the only carrier flying nonstop HLN–SLC; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 78% full.
Departures
120
April 2026
Seats
8,460
both directions
Passengers
6,586
both directions
Load factor
77.8%
passengers ÷ seats
Who flies HLN–SLC?
SkyWest Airlines was the only carrier to fly nonstop HLN–SLC in April 2026 (120 departures).
- OO
SkyWest Airlines
120 departures · 8,460 seats
Share of departures100.0%77.8%
Load
What plane flies HLN–SLC?
In April 2026, the Embraer E175 flew 100% of HLN–SLC departures.
- Embraer E175
120 departures · 77.8% load
100.0%
How has HLN–SLC traffic changed?
Nonstop HLN–SLC departures fell from 124 in May 2025 to 120 in April 2026.
Monthly nonstop HLN–SLC traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
124 departures · 7,441 passengers
84.8%
Load
June 2025
120 departures · 7,123 passengers
84.7%
Load
July 2025
125 departures · 7,411 passengers
84.7%
Load
August 2025
125 departures · 7,361 passengers
83.8%
Load
September 2025
120 departures · 6,983 passengers
82.8%
Load
October 2025
125 departures · 6,752 passengers
77.1%
Load
November 2025
114 departures · 5,698 passengers
70.9%
Load
December 2025
120 departures · 6,358 passengers
75.4%
Load
January 2026
122 departures · 5,978 passengers
69.4%
Load
February 2026
112 departures · 5,932 passengers
74.9%
Load
March 2026
124 departures · 6,517 passengers
74.8%
Load
April 2026
120 departures · 6,586 passengers
77.8%
Load
By direction
The DOT files each direction separately — they rarely match.
HLN → SLC
76.8% full
60 departures · 3,247 passengers
SLC → HLN
78.9% full
60 departures · 3,339 passengers
Nonstop HLN–SLC traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Helena (HLN) from Salt Lake City (SLC)?
HLN to SLC is 402 miles (647 km / 349 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HLN to SLC?
A nonstop covers the 402-mile great-circle distance in roughly 1h 36m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HLN–SLC?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying HLN–SLC?
Distance-based programs credit off the 402-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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