Route Reliability
Las Vegas → Salt Lake City
LAS–SLC · 368 miles · Harry Reid International Airport to Salt Lake City International Airport
- 83%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.7%
- Cancelled
- 3,754
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines90%502 flights
- 2.Delta Air Lines86%1,718 flights
- 3.Southwest Airlines79%1,443 flights
Not enough history to rank: Spirit Airlines (91 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
LAS–SLC flights departing between 6–9 AM arrived on time 94% of the time, versus 67% between 9 PM–12 AM.
Sunday scaries are real for this one.
LAS–SLC flights arrived on time 89% of the time on Saturdays. On Sundays: 78%.
Frontier Airlines runs this route best.
Frontier Airlines arrived on time 90% of the time on this route; Southwest Airlines managed 79%.
Slipping a little lately.
LAS–SLC flights arrived on time 82% of the time over the last three months in the data, compared with 88% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon83%(576 flights)
- Tue87%(494 flights)
- Wed87%(494 flights)
- Thu81%(572 flights)
- Fri81%(571 flights)
- Sat89%(445 flights)
- Sun78%(573 flights)
- 6–9 AM94%(895 flights)
- 9 AM–12 PM90%(609 flights)
- 12–3 PM82%(724 flights)
- 3–6 PM76%(775 flights)
- 6–9 PM77%(543 flights)
- 9 PM–12 AM67%(179 flights)
Jun 77% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 305 |
| July 2025 | 77% | 298 |
| August 2025 | 87% | 292 |
| September 2025 | 80% | 313 |
| October 2025 | 85% | 318 |
| November 2025 | 86% | 289 |
| December 2025 | 88% | 310 |
| January 2026 | 87% | 316 |
| February 2026 | 89% | 293 |
| March 2026 | 85% | 339 |
| April 2026 | 83% | 338 |
| May 2026 | 77% | 314 |
Keep nerding
Based on 3,754 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.