Historical on-time performance
Miami to New Orleans
674 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–MSY arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,416 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time79%Medianon timep9025 minCancel4.6%Flights151
- Spirit AirlinesOn-time60%Medianon timep90115 minCancel0.0%Flights30
- American AirlinesOn-time67%Medianon timep9065 minCancel1.5%Flights1,235
Why flights run late
Delay causes
- Airline36%
- Weather3%
- Air traffic (NAS)13%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → MSY
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 — 86% on time.
- Mornings86% on time · p90 20 min · 972 flights
- Middays70% on time · p90 50 min · 605 flights
- Afternoons67% on time · p90 70 min · 1,114 flights
- Overnights65% on time · p90 75 min · 1,844 flights
- Evenings62% on time · p90 85 min · 649 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 74% on time.
- Tuesdays74% on time · p90 45 min · 663 flights
- Wednesdays73% on time · p90 45 min · 658 flights
- Saturdays70% on time · p90 60 min · 746 flights
- Fridays70% on time · p90 55 min · 795 flights
- Thursdays69% on time · p90 85 min · 735 flights
- Mondays69% on time · p90 65 min · 765 flights
- Sundays65% on time · p90 65 min · 822 flights
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