Idaho Falls (IDA) to Salt Lake City (SLC)
Flight time
≈ 1h 11m
Bearing
179° S
Idaho Falls (IDA) to Salt Lake City (SLC) is 188 miles (303 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IDA–SLC
Filed traffic dataIn July 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop IDA–SLC; the Embraer E175 was the most common aircraft at 75% of departures; flights ran 89% full.
Departures
247
July 2026
Seats
20,250
both directions
Passengers
18,004
both directions
Load factor
88.9%
RPM ÷ ASM
Who flies IDA–SLC?
SkyWest Airlines operated the most nonstop IDA–SLC departures in July 2026 (185), one of 2 carriers on the route.
- OO
185 departures · 13,412 seats
Share of departures74.9%89.4%
Load
- DL
62 departures · 6,838 seats
Share of departures25.1%87.9%
Load
What plane flies IDA–SLC?
In July 2026, the Embraer E175 flew 75% of IDA–SLC departures — more than any other aircraft type.
- Embraer E175
185 departures · 89.4% load
74.9% - Airbus A220-100
61 departures · 88.7% load
24.7% - Airbus A321
1 departures · 58.2% load
0.4%
How has IDA–SLC traffic changed?
Nonstop IDA–SLC departures held steady at about 247 a month between August 2025 and July 2026.
Monthly nonstop IDA–SLC traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
247 departures · 18,240 passengers
90.8%
Load
September 2025
194 departures · 15,064 passengers
92.8%
Load
October 2025
184 departures · 13,687 passengers
90.8%
Load
November 2025
172 departures · 11,876 passengers
85.8%
Load
December 2025
178 departures · 12,466 passengers
83.6%
Load
January 2026
171 departures · 12,777 passengers
84.2%
Load
February 2026
159 departures · 12,029 passengers
85.0%
Load
March 2026
184 departures · 12,250 passengers
86.7%
Load
April 2026
180 departures · 12,993 passengers
89.7%
Load
May 2026
241 departures · 16,513 passengers
84.4%
Load
June 2026
240 departures · 16,887 passengers
86.6%
Load
July 2026
247 departures · 18,004 passengers
88.9%
Load
By direction
Each direction is filed separately — they rarely match.
IDA → SLC
91.2% full
124 departures · 9,338 passengers
SLC → IDA
86.5% full
123 departures · 8,666 passengers
Nonstop IDA–SLC 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
Frequently asked
How far is Idaho Falls (IDA) from Salt Lake City (SLC)?
IDA to SLC is 188 miles (303 km / 164 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IDA to SLC?
A nonstop covers the 188-mile great-circle distance in roughly 1h 11m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IDA–SLC?
In July 2026, the Embraer E175 flew the largest share of departures (74.9%), followed by the Airbus A220-100 (24.7%).
What mileage do I earn flying IDA–SLC?
Distance-based programs credit off the 188-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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