Air travel

How often are flights at Newark (EWR) late?

In the 12 months through August 2026, 20.3% of flights leaving Newark (EWR) left 15 or more minutes late, the 45th fewest of the 102 U.S. airports with at least 10,000 departures, against 22.9% of all U.S. flights. Airlines cancelled 3.4% of its scheduled departures (1.9% nationwide), the 5th most of the 102. Its worst month was July 2026, when 27.5% left late. Flights scheduled to leave in the 10 p.m. hour were late most often (41.5%), and those before 6 a.m. least often (8.4%).

Left 15+ minutes late

20.3%

The 45th fewest of 102 airports

Cancelled

3.4%

The 5th most of 102 airports

Worst month

July 2026

27.5% left late

Flights leaving Newark (EWR) 15+ minutes late, each month

The interactive chart needs JavaScript. The numbers are in the tables below.

Flights leaving Newark (EWR) 15+ minutes late, by scheduled departure hour

The interactive chart needs JavaScript. The numbers are in the tables below.

Hours are local time at Newark. Delays build through the day as late planes make their next flights late too. Hours with fewer than about one flight a day are left out.

The numbers

Departures from Newark (EWR) each month and each scheduled departure hour.

Flights leaving Newark (EWR) by month
Month Scheduled Left late Cancelled
September 2025 9,945 16.2% 1.1%
October 2025 10,578 20.3% 1.0%
November 2025 10,403 21.3% 4.4%
December 2025 10,652 27.2% 2.6%
January 2026 9,977 19.6% 6.4%
February 2026 9,244 18.6% 7.9%
March 2026 10,755 23.3% 2.3%
April 2026 10,358 13.9% 0.7%
May 2026 10,300 12.9% 0.9%
June 2026 9,967 18.7% 1.5%
July 2026 10,116 27.5% 8.2%
August 2026 9,972 24.2% 4.9%
Flights leaving Newark (EWR) by departure hour
Departure hour Scheduled Left late Cancelled
Before 6 a.m. 1,834 8.4% 4.8%
6 a.m. 10,278 8.5% 2.5%
7 a.m. 9,660 10.3% 2.3%
8 a.m. 6,944 12.9% 2.8%
9 a.m. 8,047 13.1% 2.4%
10 a.m. 7,376 16.5% 2.4%
11 a.m. 7,052 16.2% 2.4%
Noon 4,261 20.5% 2.5%
1 p.m. 6,772 18.7% 2.6%
2 p.m. 7,142 21.9% 2.9%
3 p.m. 7,363 24.2% 3.7%
4 p.m. 8,537 23.3% 3.8%
5 p.m. 7,153 26.9% 4.1%
6 p.m. 7,858 28.7% 4.4%
7 p.m. 7,618 29.9% 4.1%
8 p.m. 6,646 33.6% 5.0%
9 p.m. 6,547 29.0% 6.5%
10 p.m. 1,148 41.5% 8.1%

Source and notes

U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present) (Public domain (U.S. government work)). Data from September 2025 through August 2026.

These are domestic flights of the large U.S. airlines that report to the Bureau of Transportation Statistics, including the regional airlines that fly for them. A flight is late when it leaves its gate 15 or more minutes after its scheduled time, out of the flights that left; cancellations are out of the flights scheduled. BTS posts each month about two months after it ends, and this page moves on a month when it does.