On-Time Report

Airports › New Orleans (MSY) › September 2024

Airport month · September 2024

Louis Armstrong New Orleans International in September 2024

81.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2024, reporting carriers scheduled 3,659 domestic departures from Louis Armstrong New Orleans International (MSY). 81.0% left less than 15 minutes late and 81.4% reached their destination on time; 3.6% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so MSY departures were 3.4 points below the national departure figure.

A year earlier, in September 2023, the airport had 3,616 departures with 79.8% leaving on time: a change of +1.2 points, with flights up 1%.

Flights arriving at MSY that month were on time 79.8% of the time (3,659 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 32% and national aviation system 19%.

Every scheduled departure from MSY in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

MeasureSep 2024Sep 2023MSY, 12 months to Jul 2026All reported flights, Sep 2024
Departed on time81.0%79.8%76.0%84.4%
Arrived on time81.4%80.4%76.9%83.9%
Cancelled3.6%1.0%1.5%0.6%
Average departure delay (late minutes only)10.2 min13.9 min17.3 min10.6 min
Scheduled departures a day12212113519,421
Scheduled departures3,6593,61649,152582,622

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines1,33336%80.5%2.1 min3.8%
DL Delta Air Lines56315%83.7%3.0 min1.8%
UA United Airlines51214%84.6%-5.1 min4.9%
AA American Airlines40011%77.8%7.2 min2.3%
NK Spirit Airlines38611%83.9%-2.9 min4.4%
MQ Envoy Air1153%82.6%-4.0 min3.5%
OH PSA Airlines882%78.4%-0.2 min3.4%
B6 JetBlue Airways762%69.7%12.6 min3.9%
F9 Frontier Airlines511%70.6%2.9 min7.8%
OO SkyWest Airlines511%82.4%2.3 min5.9%
AS Alaska Airlines481%83.3%-0.8 min2.1%
YX Republic Airline361%86.1%-15.3 min2.8%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
MSY–ATLNew Orleans to Atlanta32883.2%5.2 min2.4%
MSY–IAHNew Orleans to Houston27185.2%-2.5 min5.2%
MSY–DFWNew Orleans to Dallas/Fort Worth23377.3%4.2 min2.1%
MSY–HOUNew Orleans to Houston17982.7%1.2 min3.9%
MSY–DALNew Orleans to Dallas16876.2%5.8 min4.2%
MSY–MCONew Orleans to Orlando15479.9%1.8 min3.2%
MSY–DCANew Orleans to Washington15085.3%-7.7 min3.3%
MSY–DENNew Orleans to Denver14977.2%1.4 min4.0%
MSY–ORDNew Orleans to Chicago13681.6%-1.6 min3.7%
MSY–LAXNew Orleans to Los Angeles12878.1%12.8 min2.3%
MSY–EWRNew Orleans to Newark12584.0%-9.5 min4.8%
MSY–CLTNew Orleans to Charlotte12478.2%11.5 min1.6%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Sep 2024Minutes
Air carrier31.8%38.6%9,893
Late-arriving aircraft45.8%38.4%14,239
National Aviation System18.5%18.2%5,738
Extreme weather3.8%4.8%1,186
Security0.1%0.1%29
31,085 delay minutes on 547 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← August 2024October 2024 →

Questions and answers

How many flights left MSY on time in September 2024?

81.0% of 3,659 scheduled domestic departures left less than 15 minutes late, and 81.4% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 79.8% of 3,616 departures left on time and 1.0% were cancelled, against 81.0% and 3.6% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MSY · methodology · corrections.