Boise (BOI) – Salt Lake City (SLC)
- Distance
- 467 km
- 290 mi · 252 nm
- Flight time
- 1 h 12 min / 1 h 10 min
- Average gate to gate: BOI → SLC / back
- Time difference
- none
- CO2 per passenger
- 107 kg
- One way, economy, incl. RF (63 kg CO2 only)
- Passengers / year
- 327,699
- Aug 2025 – Jul 2026 · −5.2%
- Flights / week
- 68
- Both directions, average
- Seats filled
- 81%
- 403,122 seats a year
- Airlines nonstop
- 2
- DL, OO
Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources
The way there
- Heading from BOI
- 130°
- Heading from SLC
- 313°
- Halfway point
- 42.20, -114.06
- Great-circle km
- 466 km (sphere, for EU261)
- In the air BOI → SLC
- 47 min
- In the air SLC → BOI
- 47 min
- Clocks
- Same time in both
The estimate for a route without real times is 1 h 20 min; how it is worked out is on Sources.
Show as a table
| Month | Passengers |
|---|---|
| Aug 2025 | 31,118 |
| Sep 2025 | 29,729 |
| Oct 2025 | 29,491 |
| Nov 2025 | 26,260 |
| Dec 2025 | 27,520 |
| Jan 2026 | 22,104 |
| Feb 2026 | 20,169 |
| Mar 2026 | 27,157 |
| Apr 2026 | 26,989 |
| May 2026 | 29,140 |
| Jun 2026 | 28,037 |
| Jul 2026 | 29,985 |
Show as a table
| Month | Flights |
|---|---|
| Aug 2025 | 312 |
| Sep 2025 | 306 |
| Oct 2025 | 313 |
| Nov 2025 | 300 |
| Dec 2025 | 297 |
| Jan 2026 | 254 |
| Feb 2026 | 229 |
| Mar 2026 | 301 |
| Apr 2026 | 309 |
| May 2026 | 315 |
| Jun 2026 | 289 |
| Jul 2026 | 313 |
Airlines flying BOI–SLC nonstop
| Airline | Flights / week | Share of passengers |
|---|---|---|
| DLDelta Air Lines | 47 | 78% |
| OOSkyWest Airlines | 21 | 22% |
Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources
Aircraft on this route
- Embraer ERJ-175 · 1,095 flights
- A200-100 BD-500-1A10 · 1,081 flights
- Airbus Industrie A320-100/200 · 361 flights
- Boeing 737-800 · 309 flights
- Airbus Industrie A319 · 288 flights
- A220-300 BD-500-1A11 · 215 flights
- Boeing 737-900ER · 129 flights
- Airbus Industrie A321Neoxlr · 42 flights
Also carried: 30 tonnes of freight and 0 tonnes of mail a year (passenger and cargo flights).
Punctuality
- On time
- 89%
- Arrived within 15 min of schedule
- Average delay
- 8 min
- Late arrivals count, early ones as 0
- Cancelled
- 0.9%
- Flights counted
- 3,481
- Aug 2025 – Jul 2026
| Airline | On time | Average delay |
|---|---|---|
| DLDelta Air Lines | 87.1% | 10 min |
| OOSkyWest Airlines | 93.6% | 4 min |
Delay minutes by cause: airline 62% · aircraft arriving late 23% · air traffic system 8% · weather 7% · security 0%.
Both directions, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance (US domestic flights of the larger US airlines). Sources
What passengers paid
- Average fare, Q1 2026
- $360
- One way, all cabins
- Average over a year
- $322
- Q2 2025 – Q1 2026
- Largest airline
- Delta Air Lines
- 95% of passengers · $363
- Lowest-fare airline
- Alaska Airlines
- 1% of passengers · $205
History, not a price to book: what the average passenger paid per one-way trip in each quarter (Q2 2025 $312 · Q3 2025 $297 · Q4 2025 $323 · Q1 2026 $360).
Fare outlook, Q1 2027: about $359, likely $306–$416
The average fare paid we expect a year after Q1 2026, the newest DOT quarter. On this route, past forecasts made this way fell inside the range 76% of the time over 21 quarters (median error 8.9%). An estimate from US DOT data: not a price you can book, not a guarantee, not advice on when to buy. How the outlook works
U.S. DOT Consumer Airfare Report, Table 6 (airline ticket sample, US domestic city pairs; each city here has this one airport). Sources
Delay compensation (EU261 / UK261)
Measured by great-circle distance: 466 km.
Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).
Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.