Louis Armstrong New Orleans International in October 2025

79.3%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 October 2025, reporting carriers scheduled 4,699 domestic departures from Louis Armstrong New Orleans International (MSY). 79.3% left less than 15 minutes late and 78.4% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so MSY departures were 0.7 points below the national departure figure.

A year earlier, in October 2024, the airport had 4,463 departures with 85.4% leaving on time: a change of −6.1 points, with flights up 5%.

Flights arriving at MSY that month were on time 79.7% of the time (4,701 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, national aviation system 30% and air carrier 23%.

On time 78.4%
Arrived 15+ minutes late 21.0%
Cancelled 0.5%
Diverted 0.1%

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

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

Measure	Oct 2025	Oct 2024	MSY, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	79.3%	85.4%	76.0%	80.0%
Arrived on time	78.4%	85.9%	76.9%	79.1%
Cancelled	0.5%	0.9%	1.5%	0.5%
Average departure delay (late minutes only)	12.9 min	9.4 min	17.3 min	13.9 min
Scheduled departures a day	157	149	135	20,195
Scheduled departures	4,699	4,463	49,152	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,759	37%	75.8%	7.2 min	0.3%
AA American Airlines	715	15%	76.9%	7.2 min	0.8%
DL Delta Air Lines	668	14%	85.9%	-0.9 min	0.4%
UA United Airlines	637	14%	83.8%	-0.2 min	0.5%
NK Spirit Airlines	525	11%	77.0%	8.6 min	0.8%
B6 JetBlue Airways	106	2%	61.3%	20.5 min	0.9%
OO SkyWest Airlines	85	2%	83.5%	-3.3 min	0.0%
MQ Envoy Air	65	1%	86.2%	1.4 min	0.0%
AS Alaska Airlines	53	1%	62.3%	17.2 min	1.9%
F9 Frontier Airlines	45	1%	57.8%	25.5 min	2.2%
YX Republic Airline	29	1%	86.2%	-1.2 min	0.0%
OH PSA Airlines	12	0%	83.3%	0.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSY–ATL	New Orleans to Atlanta	393	84.2%	0.4 min	0.0%
MSY–IAH	New Orleans to Houston	286	81.1%	-0.1 min	0.3%
MSY–DFW	New Orleans to Dallas/Fort Worth	258	74.4%	8.1 min	1.6%
MSY–ORD	New Orleans to Chicago	235	78.7%	5.4 min	0.0%
MSY–DAL	New Orleans to Dallas	224	78.1%	4.6 min	1.3%
MSY–DEN	New Orleans to Denver	224	80.8%	1.5 min	0.4%
MSY–MCO	New Orleans to Orlando	216	81.9%	5.0 min	0.5%
MSY–HOU	New Orleans to Houston	206	79.1%	2.4 min	0.0%
MSY–AUS	New Orleans to Austin	198	81.8%	0.8 min	0.0%
MSY–LAX	New Orleans to Los Angeles	175	79.4%	5.3 min	0.0%
MSY–CLT	New Orleans to Charlotte	164	85.4%	-1.1 min	0.0%
MSY–BNA	New Orleans to Nashville	163	69.3%	11.5 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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	23.0%	34.0%	12,784
Late-arriving aircraft	42.9%	39.7%	23,838
National Aviation System	29.9%	22.9%	16,605
Extreme weather	4.1%	3.3%	2,261
Security	0.1%	0.1%	74

55,562 delay minutes on 985 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 October 2025?

79.3% of 4,699 scheduled domestic departures left less than 15 minutes late, and 78.4% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 85.4% of 4,463 departures left on time and 0.9% were cancelled, against 79.3% and 0.5% in October 2025.

Provenance

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