Louis Armstrong New Orleans International in November 2025

79.2%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 November 2025, reporting carriers scheduled 4,314 domestic departures from Louis Armstrong New Orleans International (MSY). 79.2% left less than 15 minutes late and 79.9% reached their destination on time; 1.3% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so MSY departures were 1.1 points above the national departure figure.

A year earlier, in November 2024, the airport had 4,236 departures with 84.2% leaving on time: a change of −5.0 points, with flights up 2%.

Flights arriving at MSY that month were on time 80.4% of the time (4,312 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, national aviation system 28% and air carrier 25%.

On time 79.9%
Arrived 15+ minutes late 18.6%
Cancelled 1.3%
Diverted 0.2%

Every scheduled departure from MSY in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	MSY, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	79.2%	84.2%	76.0%	78.1%
Arrived on time	79.9%	84.9%	76.9%	77.3%
Cancelled	1.3%	0.5%	1.5%	2.5%
Average departure delay (late minutes only)	16.6 min	10.7 min	17.3 min	15.6 min
Scheduled departures a day	144	141	135	19,018
Scheduled departures	4,314	4,236	49,152	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,557	36%	80.3%	4.7 min	0.6%
AA American Airlines	653	15%	78.9%	19.2 min	2.0%
UA United Airlines	635	15%	81.4%	5.1 min	0.8%
DL Delta Air Lines	634	15%	84.4%	-0.9 min	1.9%
NK Spirit Airlines	329	8%	77.2%	10.7 min	1.2%
B6 JetBlue Airways	154	4%	77.3%	8.5 min	2.6%
OH PSA Airlines	67	2%	68.7%	15.2 min	0.0%
F9 Frontier Airlines	66	2%	75.8%	4.2 min	0.0%
AS Alaska Airlines	59	1%	67.8%	4.6 min	1.7%
MQ Envoy Air	59	1%	83.1%	1.3 min	5.1%
YX Republic Airline	55	1%	67.3%	11.3 min	7.3%
OO SkyWest Airlines	38	1%	81.6%	-2.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	373	81.5%	3.8 min	2.4%
MSY–IAH	New Orleans to Houston	253	80.2%	4.7 min	0.0%
MSY–DFW	New Orleans to Dallas/Fort Worth	229	75.1%	26.6 min	3.9%
MSY–ORD	New Orleans to Chicago	217	73.7%	20.3 min	4.1%
MSY–DAL	New Orleans to Dallas	201	75.6%	7.8 min	2.0%
MSY–DEN	New Orleans to Denver	198	86.9%	-1.6 min	0.0%
MSY–HOU	New Orleans to Houston	197	84.3%	1.9 min	0.5%
MSY–MCO	New Orleans to Orlando	191	86.9%	1.9 min	0.0%
MSY–DCA	New Orleans to Washington	169	72.8%	12.7 min	1.2%
MSY–AUS	New Orleans to Austin	166	78.9%	4.8 min	0.0%
MSY–CLT	New Orleans to Charlotte	155	84.5%	0.1 min	1.3%
MSY–LAX	New Orleans to Los Angeles	141	83.7%	-0.7 min	0.7%

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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	24.6%	30.2%	15,754
Late-arriving aircraft	44.3%	38.3%	28,324
National Aviation System	28.2%	26.7%	18,028
Extreme weather	2.6%	4.6%	1,686
Security	0.3%	0.1%	191

63,983 delay minutes on 804 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left MSY on time in November 2025?

79.2% of 4,314 scheduled domestic departures left less than 15 minutes late, and 79.9% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 84.2% of 4,236 departures left on time and 0.5% were cancelled, against 79.2% and 1.3% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.