Route Reliability
Atlanta → Las Vegas
ATL–LAS · 1,747 miles · Hartsfield–Jackson Atlanta International Airport to Harry Reid International Airport
- 76%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 0.9%
- Cancelled
- 4,843
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines79%223 flights
- 2.Southwest Airlines78%720 flights
- 3.Delta Air Lines77%3,356 flights
- 4.Frontier Airlines64%544 flights
What the data says
Morning flights do better here.
ATL–LAS flights departing between 6–9 AM arrived on time 91% of the time, versus 66% between 6–9 PM.
Monday is the weak spot.
ATL–LAS flights arrived on time 84% of the time on Wednesdays. On Mondays: 73%.
Spirit Airlines has a clear lead on this route.
Spirit Airlines arrived on time 79% of the time on this route; Frontier Airlines managed 64%.
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
- Mon73%(710 flights)
- Tue77%(653 flights)
- Wed84%(655 flights)
- Thu74%(708 flights)
- Fri75%(704 flights)
- Sat76%(641 flights)
- Sun73%(715 flights)
- 6–9 AM91%(903 flights)
- 9 AM–12 PM78%(839 flights)
- 12–3 PM81%(524 flights)
- 3–6 PM74%(830 flights)
- 6–9 PM66%(1240 flights)
- 9 PM–12 AM68%(450 flights)
Jun 64% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 421 |
| July 2025 | 71% | 415 |
| August 2025 | 79% | 400 |
| September 2025 | 81% | 389 |
| October 2025 | 76% | 414 |
| November 2025 | 81% | 387 |
| December 2025 | 81% | 420 |
| January 2026 | 77% | 377 |
| February 2026 | 77% | 340 |
| March 2026 | 80% | 400 |
| April 2026 | 75% | 418 |
| May 2026 | 71% | 405 |
Keep nerding
Based on 4,843 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.