Newark Liberty International in January 2025

81.0%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 January 2025, reporting carriers scheduled 10,144 domestic departures from Newark Liberty International (EWR). 81.0% left less than 15 minutes late and 78.5% reached their destination on time; 2.1% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so EWR departures were 1.7 points above the national departure figure.

A year earlier, in January 2024, the airport had 10,176 departures with 74.0% leaving on time: a change of +7.0 points, with flights down 0%.

Flights arriving at EWR that month were on time 80.5% of the time (10,139 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 33% and national aviation system 27%.

On time 78.5%
Arrived 15+ minutes late 19.2%
Cancelled 2.1%
Diverted 0.3%

Every scheduled departure from EWR in January 2025, judged by arrival at the destination.

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

Measure	Jan 2025	Jan 2024	EWR, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	81.0%	74.0%	77.3%	79.3%
Arrived on time	78.5%	73.9%	75.3%	78.6%
Cancelled	2.1%	6.9%	3.1%	3.0%
Average departure delay (late minutes only)	11.8 min	15.9 min	17.0 min	14.0 min
Scheduled departures a day	338	339	336	17,992
Scheduled departures	10,144	10,176	122,705	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	5,864	58%	78.5%	2.3 min	1.5%
YX Republic Airline	1,643	16%	85.8%	-7.2 min	3.8%
NK Spirit Airlines	804	8%	79.1%	-0.5 min	3.6%
AA American Airlines	524	5%	76.7%	3.5 min	1.9%
DL Delta Air Lines	515	5%	72.2%	16.1 min	1.7%
B6 JetBlue Airways	450	4%	68.2%	14.7 min	0.9%
AS Alaska Airlines	134	1%	79.9%	-0.4 min	1.5%
F9 Frontier Airlines	93	1%	47.3%	40.3 min	4.3%
MQ Envoy Air	86	1%	62.8%	15.9 min	1.2%
G4 Allegiant Air	31	0%	71.0%	13.6 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EWR–MCO	Newark to Orlando	635	78.9%	1.6 min	1.1%
EWR–FLL	Newark to Fort Lauderdale	534	78.1%	3.2 min	1.9%
EWR–ATL	Newark to Atlanta	513	67.4%	14.2 min	5.1%
EWR–ORD	Newark to Chicago	501	76.6%	4.1 min	0.4%
EWR–MIA	Newark to Miami	426	73.7%	5.6 min	0.7%
EWR–PBI	Newark to West Palm Beach/Palm Beach	352	73.6%	7.1 min	1.4%
EWR–LAX	Newark to Los Angeles	344	79.9%	0.8 min	0.9%
EWR–IAH	Newark to Houston	342	73.7%	7.0 min	4.4%
EWR–CLT	Newark to Charlotte	320	80.6%	-1.1 min	2.2%
EWR–SFO	Newark to San Francisco	314	89.8%	-9.6 min	0.0%
EWR–DFW	Newark to Dallas/Fort Worth	310	74.8%	5.4 min	4.8%
EWR–BOS	Newark to Boston	309	84.1%	-0.4 min	1.9%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	32.9%	36.2%	37,647
Late-arriving aircraft	38.0%	34.7%	43,464
National Aviation System	27.2%	19.9%	31,097
Extreme weather	1.7%	9.1%	1,939
Security	0.1%	0.2%	145

114,292 delay minutes on 1,949 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 EWR on time in January 2025?

81.0% of 10,144 scheduled domestic departures left less than 15 minutes late, and 78.5% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 74.0% of 10,176 departures left on time and 6.9% were cancelled, against 81.0% and 2.1% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for EWR · methodology · corrections.