Historical on-time performance
New Orleans to Atlanta
425 miData through May 2026Source: US DOT · BTS
Flights on MSY–ATL arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 3,876 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time84%Medianon timep9025 minCancel1.8%Flights3,288
- Southwest AirlinesOn-time71%Medianon timep9040 minCancel0.3%Flights340
- Spirit AirlinesOn-time71%Medianon timep9060 minCancel1.6%Flights185
- Frontier AirlinesOn-time54%Median10 minp9095 minCancel0.0%Flights63
Why flights run late
Delay causes
- Airline31%
- Weather3%
- Air traffic (NAS)25%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather32%
- Air traffic (NAS)2%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 63 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MSY → ATL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 4,578 flights
- Middays82% on time · p90 25 min · 3,350 flights
- Afternoons76% on time · p90 40 min · 2,171 flights
- Evenings72% on time · p90 50 min · 2,795 flights
- Overnights68% on time · p90 90 min · 329 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 86% on time.
- Wednesdays86% on time · p90 20 min · 1,725 flights
- Tuesdays84% on time · p90 25 min · 1,745 flights
- Thursdays83% on time · p90 25 min · 2,026 flights
- Saturdays83% on time · p90 30 min · 1,679 flights
- Fridays80% on time · p90 35 min · 2,006 flights
- Mondays77% on time · p90 40 min · 2,004 flights
- Sundays74% on time · p90 45 min · 2,038 flights
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