MSY to MIA flight delays & on-time performance
Nonstop flights from Louis Armstrong New Orleans International Airport to Miami International Airport · 674 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MSY or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New Orleans (MSY) to Miami (MIA) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 7% arrived an hour or more late.
- American Airlines was the most punctual airline here (80% on time); Spirit Airlines was the least (72%).
- Departures scheduled around 9am did best (89% on time); around 6pm did worst (67%).
- Tuesday was the most reliable day to fly (90% on time) and Sunday the least (67%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Which airline is most on time from MSY to MIA?
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 |
|---|---|---|---|---|---|
| American Airlines | 80% | 1.1% | 18 min | 7.3% | 1,306 |
| Envoy AirRegional airline operating American Eagle flights. | 79% | 0.0% | 13 min | 8.3% | 121 |
| Frontier Airlines | 75% | 0.0% | 4 min | 0.0% | 4 |
| Spirit Airlines | 72% | 4.9% | 22 min | 7.7% | 82 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 67% | 0.0% | 35 min | 11.1% | 9 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am72%18 flights
- 6am89%347 flights
- 7am83%199 flights
- 8am76%142 flights
- 9am89%203 flights
- 10am85%60 flights
- 11am77%124 flights
- 2pm68%39 flights
- 5pm71%41 flights
- 6pm67%289 flights
- 7pm74%42 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%1.3% cancelled
- Tuesday90%2.4% cancelled
- Wednesday86%1.0% cancelled
- Thursday81%0.5% cancelled
- Friday78%0.4% cancelled
- Saturday80%1.0% cancelled
- Sunday67%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.
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft39%
- Air traffic control & airport congestion11%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather79%
- Airline (crew, maintenance, cleaning, fueling)11%
- Air traffic control & airport congestion11%
- Security0%
MSY to MIA: common questions
- How often are MSY to MIA flights on time?
- 80% 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 New Orleans to Miami cancelled?
- 1.2% of scheduled flights were cancelled (19 of 1,522).
- 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 85 min behind schedule on average, and 7.4% of flights were an hour or more late.
- How long is taxi time at MSY?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to MSY — 73% on time
More flights from New Orleans
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MSY → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.