Louis Armstrong New Orleans International in January 2025

74.2%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 January 2025, reporting carriers scheduled 4,207 domestic departures from Louis Armstrong New Orleans International (MSY). 74.2% left less than 15 minutes late and 75.5% reached their destination on time; 10.0% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so MSY departures were 5.1 points below the national departure figure.

A year earlier, in January 2024, the airport had 4,065 departures with 72.6% leaving on time: a change of +1.6 points, with flights up 3%.

Flights arriving at MSY that month were on time 73.5% of the time (4,206 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 30% and national aviation system 16%.

On time 75.5%
Arrived 15+ minutes late 14.4%
Cancelled 10.0%
Diverted 0.1%

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

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

Measure	Jan 2025	Jan 2024	MSY, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	74.2%	72.6%	76.0%	79.3%
Arrived on time	75.5%	72.4%	76.9%	78.6%
Cancelled	10.0%	2.8%	1.5%	3.0%
Average departure delay (late minutes only)	13.7 min	20.4 min	17.3 min	14.0 min
Scheduled departures a day	140	136	135	17,992
Scheduled departures	4,207	4,065	49,152	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,481	35%	75.6%	1.4 min	9.8%
DL Delta Air Lines	615	15%	76.9%	-2.2 min	11.5%
UA United Airlines	607	14%	77.6%	0.4 min	9.7%
AA American Airlines	520	12%	72.3%	8.7 min	9.6%
NK Spirit Airlines	497	12%	78.7%	0.7 min	8.0%
MQ Envoy Air	128	3%	72.7%	-0.7 min	13.3%
AS Alaska Airlines	88	2%	76.1%	-1.6 min	8.0%
OH PSA Airlines	85	2%	52.9%	30.1 min	20.0%
YX Republic Airline	76	2%	78.9%	-3.9 min	10.5%
B6 JetBlue Airways	52	1%	75.0%	-2.4 min	3.8%
F9 Frontier Airlines	48	1%	70.8%	6.6 min	4.2%
G4 Allegiant Air	9	0%	77.8%	-3.0 min	11.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	357	73.9%	0.7 min	13.4%
MSY–IAH	New Orleans to Houston	259	77.6%	1.0 min	10.0%
MSY–DFW	New Orleans to Dallas/Fort Worth	231	65.4%	14.8 min	13.4%
MSY–DEN	New Orleans to Denver	225	72.4%	7.8 min	8.4%
MSY–MCO	New Orleans to Orlando	213	84.5%	-3.8 min	7.5%
MSY–DAL	New Orleans to Dallas	193	71.0%	2.1 min	11.4%
MSY–HOU	New Orleans to Houston	185	74.6%	-1.5 min	11.4%
MSY–CLT	New Orleans to Charlotte	179	81.0%	-3.6 min	8.4%
MSY–DCA	New Orleans to Washington	176	61.4%	18.9 min	15.3%
MSY–MIA	New Orleans to Miami	163	76.1%	0.9 min	9.2%
MSY–LAX	New Orleans to Los Angeles	133	72.9%	3.2 min	9.8%
MSY–ORD	New Orleans to Chicago	132	77.3%	-1.2 min	9.1%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	30.4%	36.2%	13,654
Late-arriving aircraft	49.4%	34.7%	22,207
National Aviation System	15.8%	19.9%	7,106
Extreme weather	4.3%	9.1%	1,942
Security	0.1%	0.2%	41

44,950 delay minutes on 607 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 January 2025?

74.2% of 4,207 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 72.6% of 4,065 departures left on time and 2.8% were cancelled, against 74.2% and 10.0% in January 2025.

Provenance

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