Best Time to Fly MIA to MSY: On-Time Stats by Hour & Airline
Miami International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.3% of Miami (MIA) to New Orleans (MSY) flights arrived on time (1,525 scheduled flights). That is 4.3 points below the national average of 77.6%.
Among 3 airlines, Envoy Air led with 86.0% on time and Spirit Airlines was last with 65.4%.
Over 24 months, Wednesday was the most reliable day (80% on time) and July the worst month (60%).
The cancellation rate was 1.1% (US average 1.8%).
MIA 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 |
|---|---|---|---|---|
| Envoy Air | 86.0% | 60 min | 0.0% | 121 |
| American Airlines | 72.7% | 61 min | 1.0% | 1,309 |
| Spirit Airlines | 65.4% | 79 min | 4.9% | 82 |
| Republic Airways | Limited data | 9 | ||
| Frontier Airlines | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to MSY
On-time arrival % by scheduled departure hour (local time), 3,194 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 6am–7am | Limited data | 11 | |
| 7am–8am | 94.2% | 0.0% | 89 |
| 8am–9am | 92.0% | 2.4% | 335 |
| 9am–10am | 85.2% | 1.0% | 293 |
| 10am–11am | Limited data | 12 | |
| 11am–12pm | 73.2% | 6.8% | 44 |
| 12pm–1pm | Limited data | 6 | |
| 1pm–2pm | 75.0% | 0.0% | 56 |
| 2pm–3pm | 67.0% | 4.3% | 92 |
| 3pm–4pm | 70.7% | 1.2% | 83 |
| 4pm–5pm | 69.7% | 0.8% | 514 |
| 5pm–6pm | 56.6% | 2.8% | 109 |
| 6pm–7pm | 59.0% | 0.8% | 118 |
| 7pm–8pm | 71.4% | 4.3% | 117 |
| 8pm–9pm | 72.2% | 0.6% | 338 |
| 9pm–10pm | 68.0% | 3.0% | 235 |
| 10pm–11pm | 66.6% | 2.0% | 690 |
| 11pm–12am | 48.9% | 4.3% | 47 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA 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) | 65.0% | -10.0 pts | 0.0% | 60 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.3% | -4.7 pts | 0.0% | 112 |
| Summer peak (Jun 15 - Aug 15) | 62.5% | -12.5 pts | 2.7% | 512 |
| All other days | 75.0% | — | 1.7% | 2,510 |
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).