Newark Liberty International in April 2025

76.6%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 2025, reporting carriers scheduled 9,507 domestic departures from Newark Liberty International (EWR). 76.6% left less than 15 minutes late and 73.9% reached their destination on time; 1.7% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so EWR departures were 4.0 points below the national departure figure.

A year earlier, in April 2024, the airport had 10,729 departures with 78.4% leaving on time: a change of −1.8 points, with flights down 11%.

Flights arriving at EWR that month were on time 68.7% of the time (9,504 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 50%, national aviation system 29% and air carrier 20%.

On time 73.9%
Arrived 15+ minutes late 24.2%
Cancelled 1.7%
Diverted 0.2%

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

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

Measure	Apr 2025	Apr 2024	EWR, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	76.6%	78.4%	77.3%	80.6%
Arrived on time	73.9%	77.4%	75.3%	79.5%
Cancelled	1.7%	1.4%	3.1%	0.8%
Average departure delay (late minutes only)	19.9 min	16.1 min	17.0 min	14.1 min
Scheduled departures a day	317	358	336	19,465
Scheduled departures	9,507	10,729	122,705	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	5,446	57%	76.3%	7.8 min	0.7%
YX Republic Airline	1,382	15%	77.9%	3.5 min	4.6%
NK Spirit Airlines	774	8%	68.3%	18.9 min	2.8%
DL Delta Air Lines	510	5%	64.5%	30.0 min	0.4%
AA American Airlines	480	5%	71.7%	13.2 min	2.3%
B6 JetBlue Airways	414	4%	70.0%	11.3 min	1.2%
AS Alaska Airlines	289	3%	69.2%	21.3 min	0.3%
F9 Frontier Airlines	90	1%	40.0%	56.7 min	5.6%
MQ Envoy Air	77	1%	42.9%	35.7 min	11.7%
G4 Allegiant Air	41	0%	80.5%	1.9 min	0.0%
OO SkyWest Airlines	4	0%	50.0%	6.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EWR–MCO	Newark to Orlando	565	77.0%	3.7 min	0.9%
EWR–ORD	Newark to Chicago	501	68.9%	15.9 min	2.6%
EWR–ATL	Newark to Atlanta	481	65.7%	24.8 min	1.7%
EWR–FLL	Newark to Fort Lauderdale	442	70.6%	13.3 min	2.0%
EWR–LAX	Newark to Los Angeles	406	69.5%	10.4 min	0.5%
EWR–SFO	Newark to San Francisco	401	77.6%	6.2 min	0.7%
EWR–PBI	Newark to West Palm Beach/Palm Beach	358	79.6%	1.3 min	1.1%
EWR–MIA	Newark to Miami	349	77.1%	9.6 min	1.4%
EWR–BOS	Newark to Boston	308	69.2%	19.2 min	1.3%
EWR–CLT	Newark to Charlotte	281	71.9%	17.7 min	1.4%
EWR–IAH	Newark to Houston	272	80.5%	2.0 min	0.7%
EWR–DFW	Newark to Dallas/Fort Worth	262	69.5%	11.9 min	2.7%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	20.4%	32.7%	38,953
Late-arriving aircraft	50.2%	39.4%	95,545
National Aviation System	28.5%	22.2%	54,335
Extreme weather	0.9%	5.5%	1,662
Security	0.0%	0.2%	5

190,500 delay minutes on 2,305 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 April 2025?

76.6% of 9,507 scheduled domestic departures left less than 15 minutes late, and 73.9% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 78.4% of 10,729 departures left on time and 1.4% were cancelled, against 76.6% and 1.7% in April 2025.

Provenance

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