Louis Armstrong New Orleans International in March 2025

77.8%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 March 2025, reporting carriers scheduled 4,838 domestic departures from Louis Armstrong New Orleans International (MSY). 77.8% left less than 15 minutes late and 79.3% reached their destination on time; 0.9% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so MSY departures were 2.1 points below the national departure figure.

A year earlier, in March 2024, the airport had 4,501 departures with 75.7% leaving on time: a change of +2.1 points, with flights up 7%.

Flights arriving at MSY that month were on time 78.4% of the time (4,838 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 25% and national aviation system 23%.

On time 79.3%
Arrived 15+ minutes late 19.6%
Cancelled 0.9%
Diverted 0.3%

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

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

Measure	Mar 2025	Mar 2024	MSY, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	77.8%	75.7%	76.0%	79.9%
Arrived on time	79.3%	76.9%	76.9%	79.3%
Cancelled	0.9%	0.9%	1.5%	1.2%
Average departure delay (late minutes only)	17.0 min	18.1 min	17.3 min	14.9 min
Scheduled departures a day	161	150	135	20,029
Scheduled departures	4,838	4,501	49,152	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,686	35%	80.2%	7.0 min	0.7%
DL Delta Air Lines	714	15%	77.7%	8.9 min	0.4%
AA American Airlines	657	14%	74.4%	18.2 min	1.2%
NK Spirit Airlines	650	13%	78.8%	10.1 min	1.1%
UA United Airlines	627	13%	86.0%	-0.8 min	0.3%
B6 JetBlue Airways	92	2%	87.0%	-6.0 min	0.0%
MQ Envoy Air	88	2%	65.9%	14.7 min	4.5%
AS Alaska Airlines	74	2%	83.8%	-1.5 min	0.0%
OH PSA Airlines	73	2%	80.8%	-0.4 min	2.7%
OO SkyWest Airlines	71	1%	70.4%	11.4 min	2.8%
YX Republic Airline	49	1%	69.4%	44.5 min	4.1%
F9 Frontier Airlines	48	1%	75.0%	16.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	421	78.6%	8.6 min	0.0%
MSY–DFW	New Orleans to Dallas/Fort Worth	272	63.6%	28.8 min	4.0%
MSY–IAH	New Orleans to Houston	268	86.9%	-3.0 min	0.0%
MSY–DEN	New Orleans to Denver	220	88.2%	2.0 min	0.0%
MSY–DAL	New Orleans to Dallas	210	74.8%	9.8 min	1.0%
MSY–CLT	New Orleans to Charlotte	207	83.1%	4.3 min	0.0%
MSY–HOU	New Orleans to Houston	200	81.0%	2.6 min	0.0%
MSY–DCA	New Orleans to Washington	190	73.7%	10.6 min	2.1%
MSY–AUS	New Orleans to Austin	186	73.1%	13.8 min	1.1%
MSY–MCO	New Orleans to Orlando	183	82.0%	1.7 min	2.7%
MSY–LAX	New Orleans to Los Angeles	180	81.7%	1.9 min	1.1%
MSY–ORD	New Orleans to Chicago	176	76.7%	12.5 min	0.0%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	25.3%	33.0%	18,582
Late-arriving aircraft	44.3%	39.2%	32,513
National Aviation System	23.4%	21.9%	17,172
Extreme weather	6.7%	5.9%	4,923
Security	0.2%	0.1%	135

73,325 delay minutes on 946 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 March 2025?

77.8% of 4,838 scheduled domestic departures left less than 15 minutes late, and 79.3% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 75.7% of 4,501 departures left on time and 0.9% were cancelled, against 77.8% and 0.9% in March 2025.

Provenance

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