Best Time to Fly LAS to MSY: On-Time Stats by Hour & Airline
Harry Reid International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
837 flights were scheduled from Las Vegas (LAS) to New Orleans (MSY) in the last 12 months, and 73.2% of those that flew arrived on time, 4.4 points below the US average of 77.6%.
Spirit Airlines was the most punctual of the 2 airlines on the route at 81.1%, while Southwest Airlines trailed at 72.4%.
January has been the best month (87% on time) and Thursday the weakest day of the week (66%).
0.5% of flights were cancelled, versus 1.8% nationally.
LAS to MSY 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 | 81.1% | 80 min | 2.6% | 76 |
| Southwest Airlines | 72.4% | 45 min | 0.3% | 739 |
| Frontier Airlines | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to MSY
On-time arrival % by scheduled departure hour (local time), 1,837 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 71.2% | 0.0% | 59 |
| 6am–7am | 96.9% | 3.0% | 33 |
| 7am–8am | 88.4% | 0.5% | 191 |
| 8am–9am | 87.9% | 0.0% | 298 |
| 9am–10am | 79.1% | 1.8% | 112 |
| 10am–11am | 74.3% | 0.0% | 35 |
| 11am–12pm | Limited data | 14 | |
| 12pm–1pm | 58.7% | 0.0% | 46 |
| 1pm–2pm | 80.0% | 1.9% | 107 |
| 2pm–3pm | 81.8% | 1.5% | 67 |
| 3pm–4pm | 63.4% | 1.1% | 94 |
| 4pm–5pm | 59.7% | 0.0% | 72 |
| 5pm–6pm | 79.1% | 0.0% | 130 |
| 6pm–7pm | 68.7% | 0.3% | 379 |
| 7pm–8pm | 55.3% | 0.0% | 123 |
| 8pm–9pm | 53.1% | 3.0% | 33 |
| 11pm–12am | 93.2% | 0.0% | 44 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to MSY
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) | 93.3% | +15.7 pts | 0.0% | 30 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.3% | -1.4 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 65.8% | -11.9 pts | 0.9% | 333 |
| All other days | 77.7% | — | 0.4% | 1,414 |
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).