Historical on-time performance
New Orleans to Las Vegas
1,501 miData through Dec 2025Source: US DOT · BTS
Flights on MSY–LAS arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 838 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.
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.6%Flights698
- Spirit AirlinesOn-time76%Medianon timep9040 minCancel0.0%Flights140
Why flights run late
Delay causes
- Airline30%
- Weather11%
- Air traffic (NAS)21%
- Late aircraft38%
- 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 MSY → LAS
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 — 89% on time.
- Mornings89% on time · p90 15 min · 1,126 flights
- Middays76% on time · p90 30 min · 251 flights
- Overnights70% on time · p90 55 min · 690 flights
- Afternoons70% on time · p90 50 min · 368 flights
- Evenings59% on time · p90 65 min · 615 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 81% on time.
- Tuesdays81% on time · p90 25 min · 393 flights
- Wednesdays81% on time · p90 30 min · 395 flights
- Saturdays78% on time · p90 40 min · 350 flights
- Thursdays75% on time · p90 40 min · 462 flights
- Mondays75% on time · p90 40 min · 485 flights
- Sundays72% on time · p90 45 min · 474 flights
- Fridays68% on time · p90 50 min · 491 flights
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