Route Reliability
New Orleans → Las Vegas
MSY–LAS · 1,500 miles · Louis Armstrong New Orleans International Airport to Harry Reid International Airport
- 81%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.1%
- Cancelled
- 844
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines83%132 flights
- 2.Southwest Airlines81%691 flights
Not enough history to rank: Frontier Airlines (21 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
MSY–LAS flights departing between 3–6 AM arrived on time 96% of the time, versus 57% between 6–9 PM.
Thursday is the weak spot.
MSY–LAS flights arrived on time 89% of the time on Wednesdays. On Thursdays: 75%.
Not much between Spirit Airlines and Southwest Airlines.
On this route they all land within 81% to 83% on time. Pick on schedule and price.
It basically never cancels.
Out of 844 scheduled flights, only 0.1% were cancelled.
Flights on this route
The breakdown
- Mon81%(133 flights)
- Tue87%(103 flights)
- Wed89%(99 flights)
- Thu75%(138 flights)
- Fri77%(134 flights)
- Sat88%(88 flights)
- Sun76%(147 flights)
- 3–6 AM96%(132 flights)
- 6–9 AM92%(255 flights)
- 9 AM–12 PM—(8 flights)
- 12–3 PM84%(76 flights)
- 3–6 PM73%(145 flights)
- 6–9 PM57%(179 flights)
- 9 PM–12 AM83%(47 flights)
Jun 73% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 88 |
| July 2025 | 79% | 80 |
| August 2025 | 85% | 75 |
| September 2025 | 82% | 73 |
| October 2025 | 78% | 104 |
| November 2025 | 88% | 77 |
| December 2025 | 84% | 62 |
| January 2026 | 89% | 44 |
| February 2026 | 79% | 58 |
| March 2026 | 89% | 52 |
| April 2026 | 81% | 63 |
| May 2026 | 68% | 66 |
Keep nerding
Based on 844 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.