Boise (BOI) to Salt Lake City (SLC) flights
Delta Air Lines, SkyWest Airlines fly nonstop from Boise Air Terminal/Gowen Field to Salt Lake City International Airport, with about 35 flights a week in July 2026. The 290-mile flight takes about 1h 12m gate to gate.
- Distance
- 290 mi · 467 km
- Flight time
- 1h 12m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying BOI to SLC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 27 | Airbus A220-100, Airbus A320-100/200, Boeing 737-800 | 131,741 | 1h 10m |
| SkyWest Airlines | 8 | Embraer E175, Bombardier CRJ700, Embraer E170 | 34,923 | 1h 15m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to SLC flight schedule
5 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 6:00am and the last at 6:45pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 2173Delta Air Lines | 6:00am | 7:11am | 31 | 90% |
| DL 3607Delta Air Lines · operated by SkyWest Airlines | 8:45am | 10:10am | 23 | 97% |
| DL 1754Delta Air Lines | 11:12am | 12:33pm | 31 | 91% |
| DL 1442Delta Air Lines | 1:06pm | 2:19pm | 31 | 87% |
| DL 2920Delta Air Lines | 6:45pm | 8:00pm | 29 | 81% |
Is BOI to SLC on time?
From September 2025 to August 2026, 91% of 1,732 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 5am the least (84%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (58%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,732 | 91% | 8 min | 1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 96 | 84% | |
| 6am to 7am | 261 | 93% | |
| 8am to 9am | 282 | 96% | |
| 10am to 11am | 129 | 95% | |
| 11am to 12pm | 230 | 93% | |
| 12pm to 1pm | 163 | 91% | |
| 1pm to 2pm | 200 | 85% | |
| 5pm to 6pm | 114 | 96% | |
| 6pm to 7pm | 247 | 86% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 156 | 15,882 | |
| September 2025 | 155 | 15,020 | |
| October 2025 | 157 | 14,893 | |
| November 2025 | 141 | 12,966 | |
| December 2025 | 146 | 13,994 | |
| January 2026 | 128 | 11,339 | |
| February 2026 | 116 | 10,554 | |
| March 2026 | 150 | 13,751 | |
| April 2026 | 156 | 14,096 | |
| May 2026 | 159 | 15,186 | |
| June 2026 | 144 | 14,382 | |
| July 2026 | 159 | 15,698 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.