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Airport Reliability

MSY · New Orleans

Louis Armstrong New Orleans International Airport

78%
Departures within 15 minutes
14 min
Average departure delay
78%
Arrivals within 15 minutes
1.5%
Departures cancelled

Based on 49,916 departures and 49,911 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from MSY departing between 3–6 AM arrived on time 93% of the time, versus 67% between 6–9 PM.

Sunday scaries are real for this one.

Departures from MSY arrived on time 84% of the time on Tuesdays. On Sundays: 72%.

Slipping a little lately.

Departures from MSY arrived on time 77% of the time over the last three months in the data, compared with 83% in the three months before that.

When MSY gets messy

On-time by departure window
  • 3–6 AM93%(2809 flights)
  • 6–9 AM90%(9979 flights)
  • 9 AM–12 PM85%(9865 flights)
  • 12–3 PM76%(8575 flights)
  • 3–6 PM71%(9691 flights)
  • 6–9 PM67%(7286 flights)
  • 9 PM–12 AM69%(808 flights)
On-time by weekday
  • Mon78%(7458 flights)
  • Tue84%(6415 flights)
  • Wed84%(6491 flights)
  • Thu78%(7467 flights)
  • Fri78%(7498 flights)
  • Sat81%(5849 flights)
  • Sun72%(7835 flights)
On-time trend by month
74%
May

Jun 69% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%3994
July 202573%3969
August 202581%3701
September 202587%3603
October 202580%4668
November 202582%4253
December 202579%4126
January 202686%3749
February 202684%4045
March 202676%4350
April 202681%4392
May 202674%4163

Airlines departing MSY

Busiest routes from MSY

Based on 49,916 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.