On-Time Report

Airports › New York (LGA) › September 2025

Airport month · September 2025

LaGuardia in September 2025

83.8%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 September 2025, reporting carriers scheduled 11,388 domestic departures from LaGuardia (LGA). 83.8% left less than 15 minutes late and 81.5% reached their destination on time; 0.9% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so LGA departures were 0.7 points above the national departure figure.

A year earlier, in September 2024, the airport had 13,549 departures with 88.8% leaving on time: a change of −5.0 points, with flights down 16%.

Flights arriving at LGA that month were on time 81.8% of the time (11,386 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, national aviation system 32% and air carrier 27%.

Every scheduled departure from LGA in September 2025, judged by arrival at the destination.

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

MeasureSep 2025Sep 2024LGA, 12 months to Jul 2026All reported flights, Sep 2025
Departed on time83.8%88.8%72.6%83.1%
Arrived on time81.5%88.5%69.9%82.8%
Cancelled0.9%0.4%4.6%0.5%
Average departure delay (late minutes only)12.9 min7.5 min19.3 min12.2 min
Scheduled departures a day38045237218,748
Scheduled departures11,38813,549135,840562,439

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
YX Republic Airline4,65941%81.5%0.5 min1.5%
DL Delta Air Lines2,52422%83.8%2.2 min0.2%
AA American Airlines1,31212%76.7%8.9 min0.8%
WN Southwest Airlines9608%81.5%6.4 min0.3%
UA United Airlines8257%81.9%1.1 min0.4%
NK Spirit Airlines4314%87.2%-1.4 min0.7%
B6 JetBlue Airways3303%82.4%4.2 min0.3%
F9 Frontier Airlines2052%67.3%19.0 min1.5%
OO SkyWest Airlines1421%80.3%-1.3 min0.7%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
LGA–ORDNew York to Chicago97277.1%8.6 min0.3%
LGA–ATLNew York to Atlanta74687.5%-1.6 min0.1%
LGA–BOSNew York to Boston63463.2%17.6 min3.2%
LGA–DFWNew York to Dallas/Fort Worth59074.2%10.2 min2.0%
LGA–MIANew York to Miami47774.4%17.0 min0.2%
LGA–DENNew York to Denver39976.7%5.7 min0.3%
LGA–MCONew York to Orlando39584.3%1.7 min0.3%
LGA–CLTNew York to Charlotte38787.1%-5.3 min1.0%
LGA–DCANew York to Washington38680.6%-0.4 min1.0%
LGA–IAHNew York to Houston36985.9%-5.4 min0.0%
LGA–DTWNew York to Detroit36588.2%-4.1 min0.5%
LGA–FLLNew York to Fort Lauderdale31178.5%7.6 min0.3%

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), September 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Sep 2025Minutes
Air carrier26.5%34.3%40,311
Late-arriving aircraft36.2%37.4%54,930
National Aviation System32.0%22.6%48,539
Extreme weather5.2%5.6%7,944
Security0.1%0.1%190
151,914 delay minutes on 1,982 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← August 2025October 2025 →

Questions and answers

How many flights left LGA on time in September 2025?

83.8% of 11,388 scheduled domestic departures left less than 15 minutes late, and 81.5% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 88.8% of 13,549 departures left on time and 0.4% were cancelled, against 83.8% and 0.9% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; 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.