Best Time to Fly MSY to LAS: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.6% of New Orleans (MSY) to Las Vegas (LAS) flights arrived on time (847 scheduled flights). That is 1.0 points above the national average of 77.6%.
Spirit Airlines was the most punctual of the 2 airlines on the route at 85.9%, while Southwest Airlines trailed at 78.5%.
March has been the best month (87% on time) and Friday the weakest day of the week (74%).
0.1% of flights were cancelled, versus 1.8% nationally.
MSY to LAS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 85.9% | 110 min | 1.3% | 79 |
| Southwest Airlines | 78.5% | 49 min | 0.0% | 747 |
| Frontier Airlines | Limited data | 21 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to LAS
On-time arrival % by scheduled departure hour (local time), 1,864 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.0% | 0.0% | 159 |
| 6am–7am | 93.6% | 0.0% | 311 |
| 7am–8am | 89.8% | 1.8% | 229 |
| 8am–9am | 91.8% | 0.0% | 98 |
| 9am–10am | 85.7% | 0.0% | 49 |
| 10am–11am | 85.0% | 4.8% | 42 |
| 11am–12pm | Limited data | 5 | |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | 78.6% | 0.0% | 42 |
| 2pm–3pm | 63.4% | 0.0% | 71 |
| 3pm–4pm | 78.2% | 0.0% | 88 |
| 4pm–5pm | 68.5% | 0.0% | 111 |
| 5pm–6pm | 78.0% | 1.0% | 101 |
| 6pm–7pm | 68.7% | 0.0% | 67 |
| 7pm–8pm | 59.3% | 0.0% | 236 |
| 8pm–9pm | 58.2% | 0.0% | 55 |
| 9pm–10pm | 72.7% | 2.0% | 101 |
| 10pm–11pm | 81.1% | 0.0% | 74 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSY to LAS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 80.7% | -1.1 pts | 0.0% | 31 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.3% | -3.4 pts | 0.0% | 60 |
| Summer peak (Jun 15 - Aug 15) | 74.3% | -7.4 pts | 0.0% | 340 |
| All other days | 81.7% | — | 0.6% | 1,433 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).