MIA to MSY flight delays & on-time performance
Nonstop flights from Miami International Airport to Louis Armstrong New Orleans International Airport · 674 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or MSY right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to New Orleans (MSY) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.1% were cancelled, and 9% arrived an hour or more late.
- Envoy Air was the most punctual airline here (86% on time); Spirit Airlines was the least (65%).
- Departures scheduled around 8am did best (95% on time); around 5pm did worst (50%).
- Tuesday was the most reliable day to fly (84% on time) and Sunday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from MIA to MSY?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 86% | 0.0% | 9 min | 5.8% | 121 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 78% | 0.0% | 18 min | 11.1% | 9 |
| American Airlines | 73% | 1.0% | 18 min | 8.7% | 1,309 |
| Spirit Airlines | 65% | 4.9% | 28 min | 12.8% | 82 |
| Frontier Airlines | 50% | 0.0% | 11 min | 0.0% | 4 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%89 flights
- 8am95%127 flights
- 9am86%165 flights
- 3pm70%48 flights
- 4pm73%268 flights
- 5pm50%55 flights
- 6pm58%81 flights
- 7pm71%109 flights
- 8pm72%196 flights
- 9pm72%29 flights
- 10pm65%285 flights
- 11pm51%45 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%1.8% cancelled
- Tuesday84%1.9% cancelled
- Wednesday83%0.5% cancelled
- Thursday72%0.0% cancelled
- Friday71%0.4% cancelled
- Saturday73%1.0% cancelled
- Sunday63%2.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion19%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather82%
- Air traffic control & airport congestion12%
- Airline (crew, maintenance, cleaning, fueling)6%
- Security0%
MIA to MSY: common questions
- How often are MIA to MSY flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Miami to New Orleans cancelled?
- 1.1% of scheduled flights were cancelled (17 of 1,525).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 62 min behind schedule on average, and 8.7% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MSY to MIA — 80% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → MSY, nonstop flights by US airlines that report to the DOT. How we calculate this.