Best Time to Fly MSY to MIA: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → Miami International
Data through July 2026 · Last updated October 18, 2026
1,522 flights were scheduled from New Orleans (MSY) to Miami (MIA) in the last 12 months, and 79.6% of those that flew arrived on time, 2.0 points above the US average of 77.6%.
American Airlines was the most punctual of the 3 airlines on the route at 80.2%, while Spirit Airlines trailed at 71.8%.
November has been the best month (87% on time) and Sunday the weakest day of the week (69%).
1.2% of flights were cancelled, versus 1.8% nationally.
MSY to MIA 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 |
|---|---|---|---|---|
| American Airlines | 80.2% | 88 min | 1.1% | 1,306 |
| Envoy Air | 79.2% | 56 min | 0.0% | 121 |
| Spirit Airlines | 71.8% | 73 min | 4.9% | 82 |
| Frontier Airlines | Limited data | 4 | ||
| Republic Airways | Limited data | 9 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to MIA
On-time arrival % by scheduled departure hour (local time), 3,189 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.7% | 1.6% | 61 |
| 6am–7am | 87.1% | 1.7% | 752 |
| 7am–8am | 82.7% | 1.9% | 414 |
| 8am–9am | 75.8% | 2.4% | 213 |
| 9am–10am | 88.7% | 0.0% | 203 |
| 10am–11am | 81.8% | 2.1% | 287 |
| 11am–12pm | 77.9% | 1.3% | 235 |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 76.2% | 8.7% | 46 |
| 2pm–3pm | 75.0% | 2.0% | 49 |
| 3pm–4pm | 57.3% | 2.6% | 78 |
| 4pm–5pm | 72.6% | 3.1% | 64 |
| 5pm–6pm | 72.7% | 2.6% | 113 |
| 6pm–7pm | 64.4% | 1.2% | 511 |
| 7pm–8pm | 70.3% | 7.1% | 98 |
| 8pm–9pm | Limited data | 12 | |
| 9pm–10pm | Limited data | 22 | |
| 10pm–11pm | Limited data | 21 | |
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 MIA
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) | 85.0% | +5.7 pts | 0.0% | 60 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.6% | -9.6 pts | 0.0% | 112 |
| Summer peak (Jun 15 - Aug 15) | 74.4% | -4.9 pts | 2.5% | 512 |
| All other days | 79.3% | — | 1.9% | 2,505 |
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).