Louis Armstrong New Orleans International in July 2026

66.1%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 July 2026, reporting carriers scheduled 3,801 domestic departures from Louis Armstrong New Orleans International (MSY). 66.1% left less than 15 minutes late and 67.3% reached their destination on time; 2.1% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so MSY departures were 2.7 points below the national departure figure.

A year earlier, in July 2025, the airport had 4,039 departures with 68.9% leaving on time: a change of −2.8 points, with flights down 6%.

Flights arriving at MSY that month were on time 66.0% of the time (3,803 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 30% and national aviation system 18%.

On time 67.3%
Arrived 15+ minutes late 29.8%
Cancelled 2.1%
Diverted 0.8%

Every scheduled departure from MSY in July 2026, judged by arrival at the destination.

July 2026 against a year earlier, the airport's year and the nation

Measure	Jul 2026	Jul 2025	MSY, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	66.1%	68.9%	76.0%	68.8%
Arrived on time	67.3%	70.0%	76.9%	69.4%
Cancelled	2.1%	1.8%	1.5%	2.6%
Average departure delay (late minutes only)	26.9 min	24.8 min	17.3 min	24.1 min
Scheduled departures a day	127	135	135	21,066
Scheduled departures	3,801	4,039	49,152	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,509	40%	65.6%	15.4 min	0.4%
AA American Airlines	616	16%	64.8%	27.5 min	2.1%
DL Delta Air Lines	603	16%	69.8%	23.5 min	2.8%
UA United Airlines	487	13%	77.2%	10.2 min	1.2%
F9 Frontier Airlines	129	3%	51.2%	37.3 min	4.7%
B6 JetBlue Airways	124	3%	50.0%	29.5 min	10.5%
OH PSA Airlines	98	3%	61.2%	39.6 min	14.3%
MQ Envoy Air	77	2%	83.1%	0.5 min	0.0%
YX Republic Airline	66	2%	81.8%	-5.3 min	7.6%
AS Alaska Airlines	61	2%	72.1%	9.9 min	0.0%
OO SkyWest Airlines	31	1%	71.0%	14.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	312	66.7%	23.2 min	1.6%
MSY–DFW	New Orleans to Dallas/Fort Worth	258	66.3%	22.9 min	0.8%
MSY–IAH	New Orleans to Houston	210	80.0%	8.9 min	0.0%
MSY–HOU	New Orleans to Houston	200	72.0%	10.7 min	1.0%
MSY–MCO	New Orleans to Orlando	196	64.3%	16.1 min	1.0%
MSY–ORD	New Orleans to Chicago	182	75.3%	5.3 min	4.9%
MSY–DAL	New Orleans to Dallas	169	72.2%	12.2 min	1.2%
MSY–DEN	New Orleans to Denver	167	76.0%	7.8 min	0.6%
MSY–AUS	New Orleans to Austin	152	65.1%	17.1 min	0.0%
MSY–DCA	New Orleans to Washington	146	46.6%	56.0 min	11.0%
MSY–CLT	New Orleans to Charlotte	136	72.8%	22.1 min	0.0%
MSY–MIA	New Orleans to Miami	124	71.8%	16.3 min	0.8%

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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	30.2%	31.7%	27,468
Late-arriving aircraft	46.1%	41.8%	41,971
National Aviation System	18.2%	19.9%	16,562
Extreme weather	5.4%	6.5%	4,929
Security	0.0%	0.1%	33

90,963 delay minutes on 1,133 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 July 2026?

66.1% of 3,801 scheduled domestic departures left less than 15 minutes late, and 67.3% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 68.9% of 4,039 departures left on time and 1.8% were cancelled, against 66.1% and 2.1% in July 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.