Salt Lake City (SLC) to Boise (BOI) flights
Delta Air Lines, SkyWest Airlines fly nonstop from Salt Lake City International Airport to Boise Air Terminal/Gowen Field, with about 34 flights a week in July 2026. The 290-mile flight takes about 1h 10m gate to gate.
- Distance
- 290 mi · 467 km
- Flight time
- 1h 10m
- Airlines
- 2
- Seats filled
- 79%
Airlines flying SLC to BOI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 27 | Airbus A220-100, Airbus A320-100/200, Boeing 737-800 | 123,395 | 1h 9m |
| SkyWest Airlines | 7 | Embraer E175, Bombardier CRJ700, Embraer E170 | 35,311 | 1h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SLC to BOI flight schedule
5 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 8:35am and the last at 10:45pm. 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 1744Delta Air Lines | 8:35am | 9:48am | 31 | 90% |
| DL 1442Delta Air Lines | 11:00am | 12:14pm | 31 | 91% |
| DL 2920Delta Air Lines | 4:41pm | 5:55pm | 29 | 84% |
| DL 4446Delta Air Lines · operated by SkyWest Airlines | 8:45pm | 10:00pm | 22 | 88% |
| DL 2111Delta Air Lines | 10:45pm | 11:59pm | 31 | 79% |
Is SLC to BOI on time?
From September 2025 to August 2026, 86% of 1,732 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 8am were the most punctual (92%), those around 10pm the least (75%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (63%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,732 | 86% | 9 min | 0.8% |
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 |
|---|---|---|---|
| 8am to 9am | 292 | 92% | |
| 9am to 10am | 59 | 86% | |
| 10am to 11am | 288 | 83% | |
| 11am to 12pm | 77 | 90% | |
| 3pm to 4pm | 126 | 90% | |
| 4pm to 5pm | 237 | 89% | |
| 8pm to 9pm | 226 | 88% | |
| 9pm to 10pm | 151 | 85% | |
| 10pm to 11pm | 191 | 75% | |
| 11pm to 12am | 57 | 87% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 156 | 15,236 | |
| September 2025 | 151 | 14,709 | |
| October 2025 | 156 | 14,598 | |
| November 2025 | 159 | 13,294 | |
| December 2025 | 151 | 13,526 | |
| January 2026 | 126 | 10,765 | |
| February 2026 | 113 | 9,615 | |
| March 2026 | 151 | 13,406 | |
| April 2026 | 153 | 12,893 | |
| May 2026 | 156 | 13,954 | |
| June 2026 | 145 | 13,655 | |
| July 2026 | 154 | 14,287 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.