LaGuardia in December 2023

82.7%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 December 2023, reporting carriers scheduled 12,432 domestic departures from LaGuardia (LGA). 82.7% left less than 15 minutes late and 85.6% reached their destination on time; 0.8% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so LGA departures were level with the national departure figure.

Flights arriving at LGA that month were on time 83.9% of the time (12,415 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 34% and national aviation system 18%.

On time 85.6%
Arrived 15+ minutes late 13.4%
Cancelled 0.8%
Diverted 0.2%

Every scheduled departure from LGA in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	LGA, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	82.7%	—	72.6%	83.1%
Arrived on time	85.6%	—	69.9%	83.8%
Cancelled	0.8%	—	4.6%	0.4%
Average departure delay (late minutes only)	11.0 min	—	19.3 min	11.6 min
Scheduled departures a day	414	—	372	19,013
Scheduled departures	12,432	—	135,840	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	2,858	23%	91.1%	-15.4 min	1.0%
9E Endeavor Air	2,499	20%	86.8%	-11.9 min	1.5%
DL Delta Air Lines	2,194	18%	85.0%	-6.7 min	0.0%
AA American Airlines	1,315	11%	85.9%	-6.1 min	0.2%
B6 JetBlue Airways	1,057	9%	76.4%	3.3 min	0.4%
WN Southwest Airlines	1,024	8%	82.2%	-3.1 min	0.9%
NK Spirit Airlines	652	5%	77.3%	0.4 min	0.6%
UA United Airlines	543	4%	92.1%	-15.3 min	0.4%
OO SkyWest Airlines	169	1%	81.1%	-2.3 min	4.1%
F9 Frontier Airlines	121	1%	74.4%	16.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LGA–ORD	New York to Chicago	724	87.0%	-7.6 min	0.6%
LGA–ATL	New York to Atlanta	653	86.5%	-7.8 min	0.0%
LGA–BOS	New York to Boston	570	83.3%	-2.4 min	2.1%
LGA–MIA	New York to Miami	517	77.2%	2.7 min	0.0%
LGA–MCO	New York to Orlando	465	77.8%	4.7 min	0.2%
LGA–DFW	New York to Dallas/Fort Worth	451	87.1%	-13.3 min	0.0%
LGA–CLT	New York to Charlotte	440	86.1%	-8.4 min	0.7%
LGA–DEN	New York to Denver	427	89.7%	-19.0 min	0.7%
LGA–FLL	New York to Fort Lauderdale	416	74.8%	3.4 min	0.0%
LGA–BNA	New York to Nashville	362	88.4%	-11.2 min	0.8%
LGA–DTW	New York to Detroit	359	91.6%	-12.5 min	0.3%
LGA–DCA	New York to Washington	319	88.7%	-9.5 min	1.3%

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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	34.0%	37.1%	35,264
Late-arriving aircraft	43.1%	38.8%	44,666
National Aviation System	17.7%	17.6%	18,316
Extreme weather	4.9%	6.2%	5,043
Security	0.3%	0.3%	330

103,619 delay minutes on 1,663 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 LGA on time in December 2023?

82.7% of 12,432 scheduled domestic departures left less than 15 minutes late, and 85.6% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for LGA · methodology · corrections.