Louis Armstrong New Orleans International in April 2026

79.9%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 April 2026, reporting carriers scheduled 4,428 domestic departures from Louis Armstrong New Orleans International (MSY). 79.9% left less than 15 minutes late and 79.3% reached their destination on time; 0.7% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so MSY departures were 0.8 points above the national departure figure.

A year earlier, in April 2025, the airport had 4,529 departures with 79.2% leaving on time: a change of +0.7 points, with flights down 2%.

Flights arriving at MSY that month were on time 79.9% of the time (4,432 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 29% and national aviation system 22%.

On time 79.3%
Arrived 15+ minutes late 19.8%
Cancelled 0.7%
Diverted 0.2%

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

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

Measure	Apr 2026	Apr 2025	MSY, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	79.9%	79.2%	76.0%	79.1%
Arrived on time	79.3%	79.7%	76.9%	78.9%
Cancelled	0.7%	0.9%	1.5%	0.9%
Average departure delay (late minutes only)	13.5 min	17.2 min	17.3 min	14.5 min
Scheduled departures a day	148	151	135	19,931
Scheduled departures	4,428	4,529	49,152	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,591	36%	76.2%	6.8 min	0.2%
AA American Airlines	735	17%	81.0%	8.4 min	0.8%
DL Delta Air Lines	699	16%	83.1%	3.6 min	1.0%
UA United Airlines	656	15%	84.9%	1.9 min	0.5%
NK Spirit Airlines	159	4%	65.4%	19.4 min	2.5%
B6 JetBlue Airways	129	3%	78.3%	3.7 min	0.0%
F9 Frontier Airlines	105	2%	73.3%	4.5 min	2.9%
YX Republic Airline	101	2%	75.2%	4.2 min	2.0%
AS Alaska Airlines	90	2%	87.8%	-1.5 min	0.0%
OH PSA Airlines	69	2%	87.0%	-4.9 min	1.4%
MQ Envoy Air	47	1%	70.2%	7.6 min	0.0%
OO SkyWest Airlines	30	1%	73.3%	22.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	335	85.7%	3.5 min	0.6%
MSY–IAH	New Orleans to Houston	269	83.6%	3.5 min	0.0%
MSY–DFW	New Orleans to Dallas/Fort Worth	253	71.9%	20.4 min	1.2%
MSY–ORD	New Orleans to Chicago	226	66.8%	14.2 min	4.0%
MSY–DEN	New Orleans to Denver	216	81.5%	-1.2 min	0.9%
MSY–MCO	New Orleans to Orlando	202	74.3%	7.3 min	0.5%
MSY–DAL	New Orleans to Dallas	194	75.3%	8.9 min	0.0%
MSY–HOU	New Orleans to Houston	193	73.6%	6.9 min	0.5%
MSY–DCA	New Orleans to Washington	177	75.7%	4.2 min	0.6%
MSY–CLT	New Orleans to Charlotte	168	89.9%	-4.0 min	0.0%
MSY–AUS	New Orleans to Austin	160	78.1%	7.5 min	0.0%
MSY–FLL	New Orleans to Fort Lauderdale	142	74.6%	7.7 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	29.3%	33.5%	16,042
Late-arriving aircraft	44.1%	40.4%	24,167
National Aviation System	21.6%	21.0%	11,852
Extreme weather	4.9%	5.0%	2,699
Security	0.0%	0.1%	0

54,760 delay minutes on 875 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 April 2026?

79.9% of 4,428 scheduled domestic departures left less than 15 minutes late, and 79.3% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 79.2% of 4,529 departures left on time and 0.9% were cancelled, against 79.9% and 0.7% in April 2026.

Provenance

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