Louis Armstrong New Orleans International in June 2025

67.4%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 June 2025, reporting carriers scheduled 4,062 domestic departures from Louis Armstrong New Orleans International (MSY). 67.4% left less than 15 minutes late and 66.8% reached their destination on time; 1.8% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so MSY departures were 4.0 points below the national departure figure.

A year earlier, in June 2024, the airport had 4,205 departures with 73.8% leaving on time: a change of −6.4 points, with flights down 3%.

Flights arriving at MSY that month were on time 66.0% of the time (4,060 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 25% and national aviation system 20%.

On time 66.8%
Arrived 15+ minutes late 30.8%
Cancelled 1.8%
Diverted 0.5%

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

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

Measure	Jun 2025	Jun 2024	MSY, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	67.4%	73.8%	76.0%	71.4%
Arrived on time	66.8%	74.2%	76.9%	70.3%
Cancelled	1.8%	1.3%	1.5%	1.6%
Average departure delay (late minutes only)	27.3 min	19.9 min	17.3 min	22.1 min
Scheduled departures a day	135	140	135	20,386
Scheduled departures	4,062	4,205	49,152	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,493	37%	65.6%	18.3 min	0.3%
DL Delta Air Lines	617	15%	67.4%	21.4 min	2.1%
AA American Airlines	571	14%	64.3%	30.0 min	4.0%
UA United Airlines	490	12%	72.0%	19.3 min	1.6%
NK Spirit Airlines	394	10%	71.6%	15.3 min	2.3%
YX Republic Airline	119	3%	80.7%	8.2 min	1.7%
OH PSA Airlines	84	2%	51.2%	42.9 min	9.5%
B6 JetBlue Airways	69	2%	55.1%	44.4 min	0.0%
OO SkyWest Airlines	65	2%	78.5%	-0.1 min	1.5%
MQ Envoy Air	62	2%	64.5%	52.2 min	1.6%
AS Alaska Airlines	60	1%	53.3%	27.1 min	1.7%
F9 Frontier Airlines	38	1%	44.7%	45.1 min	5.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	345	68.7%	17.6 min	2.3%
MSY–DFW	New Orleans to Dallas/Fort Worth	250	57.6%	41.4 min	6.8%
MSY–IAH	New Orleans to Houston	242	67.8%	25.6 min	3.3%
MSY–MCO	New Orleans to Orlando	214	69.2%	16.0 min	0.0%
MSY–ORD	New Orleans to Chicago	190	83.2%	1.5 min	0.5%
MSY–AUS	New Orleans to Austin	189	68.8%	15.1 min	0.5%
MSY–HOU	New Orleans to Houston	180	64.4%	14.5 min	0.6%
MSY–DAL	New Orleans to Dallas	167	68.9%	13.7 min	0.6%
MSY–DEN	New Orleans to Denver	156	64.1%	16.5 min	0.6%
MSY–CLT	New Orleans to Charlotte	155	76.1%	14.0 min	2.6%
MSY–DCA	New Orleans to Washington	146	55.5%	41.0 min	3.4%
MSY–LAX	New Orleans to Los Angeles	142	72.5%	15.5 min	0.7%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	24.6%	31.6%	25,734
Late-arriving aircraft	48.1%	40.6%	50,449
National Aviation System	20.3%	20.9%	21,264
Extreme weather	6.9%	6.9%	7,262
Security	0.1%	0.2%	70

104,779 delay minutes on 1,253 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 June 2025?

67.4% of 4,062 scheduled domestic departures left less than 15 minutes late, and 66.8% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 73.8% of 4,205 departures left on time and 1.3% were cancelled, against 67.4% and 1.8% in June 2025.

Provenance

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