New Orleans (MSY) to Miami (MIA): On-Time Performance
Data through July 2026
The calendar drives reliability on MSY–MIA. November 2025 flights landed on schedule 88% of the time, but April 2025 dropped to 68% — a gap of 21 points. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 65%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 4.2
- last 12 months
- Duration
- 2h 0m
- scheduled
- Distance
- 674 mi
Best airline from MSY to MIA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 79% | 13 min | 2.8% | 392 |
| American Airlines | 78% | 21 min | 1.6% | 2,592 |
| Spirit Airlines | 75% | 19 min | 3.0% | 305 |
Monthly on-time trend
Best time to fly from MSY to MIA
Aim for departures around 9 a.m. (89% on-time); avoid 3 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 20 min |
| Tuesdaybest | 84% | 19 min |
| Wednesday | 84% | 11 min |
| Thursday | 80% | 17 min |
| Friday | 77% | 26 min |
| Saturday | 77% | 22 min |
| Sunday | 69% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations41%
- National airspace system15%
- Weather3%
Frequently asked questions
- How often are flights from MSY to MIA delayed?
- 22% of MSY–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from MSY to MIA?
- Envoy Air has the best on-time record on this route at 79%, based on 392 flights. 3 airlines flew MSY–MIA frequently enough to compare in this period.
- What is the best time of day to fly from MSY to MIA?
- Departures around 9 a.m. have the best record (89% on-time), while departures around 3 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MSY to MIA?
- The scheduled MSY–MIA flight time averages 2h 0m over 674 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are MSY to MIA flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from MSY to MIA?
- April 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was November 2025 at 88%. If your dates are flexible, that 21-point gap is worth planning around.
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Based on 3,357 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.