Historical on-time performance
New Orleans to Miami
675 miData through Dec 2025Source: US DOT · BTS
Flights on MSY–MIA arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled2.0%of scheduled flights
based on 1,415 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Spirit AirlinesOn-time73%Medianon timep9085 minCancel0.0%Flights30
- American AirlinesOn-time74%Medianon timep9055 minCancel1.8%Flights1,234
- Envoy AirOn-time80%Medianon timep9035 minCancel4.6%Flights151
Why flights run late
Delay causes
- Airline50%
- Weather3%
- Air traffic (NAS)8%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MSY → MIA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 83% on time.
- Mornings83% on time · p90 30 min · 2,015 flights
- Middays73% on time · p90 45 min · 1,399 flights
- Overnights72% on time · p90 70 min · 93 flights · limited
- Afternoons66% on time · p90 60 min · 678 flights
- Evenings63% on time · p90 80 min · 991 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.
- Tuesdays78% on time · p90 40 min · 660 flights
- Wednesdays77% on time · p90 35 min · 656 flights
- Mondays74% on time · p90 50 min · 764 flights
- Saturdays74% on time · p90 50 min · 746 flights
- Thursdays73% on time · p90 55 min · 738 flights
- Sundays72% on time · p90 55 min · 825 flights
- Fridays71% on time · p90 55 min · 787 flights
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