OnTimeStats

Historical on-time performance

New Orleans to Las Vegas

1,500 miData through May 2026Source: 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)
Cancelled0.0%of scheduled flights

based on 722 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.

  • Southwest Airlines
    On-time80%
    Medianon time
    p9030 min
    Cancel0.0%
    Flights691
  • Spirit Airlines
    On-time74%
    Medianon time
    p9030 min
    Cancel0.0%
    Flights31

Why flights run late

Delay causes

  • Airline23%
  • Weather2%
  • Air traffic (NAS)21%
  • Late aircraft53%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline43%
  • Weather49%
  • Air traffic (NAS)8%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 53 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 → LAS

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 — 90% on time.

  • Mornings90% on time · p90 10 min · 1,206 flights
  • Middays78% on time · p90 25 min · 173 flights · limited
  • Overnights71% on time · p90 50 min · 554 flights
  • Afternoons68% on time · p90 50 min · 375 flights
  • Evenings62% on time · p90 60 min · 646 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 71% to 84% on time.

  • Wednesdays84% on time · p90 20 min · 373 flights
  • Tuesdays84% on time · p90 20 min · 380 flights
  • Saturdays78% on time · p90 40 min · 334 flights
  • Thursdays75% on time · p90 40 min · 465 flights
  • Mondays75% on time · p90 40 min · 458 flights
  • Sundays74% on time · p90 45 min · 473 flights
  • Fridays71% on time · p90 50 min · 471 flights

Keep exploring

Related pages

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.