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Route · IAD → EWR · 2020–2025 BTS data

Washington to Newark

The IAD–EWR corridor (Washington, DC → Newark, NJ) runs behind the national average, served by 3 carriers across roughly 212 miles.

Data updated 2026-06-13

74.5%
On-time
-4.5 pts
vs US avg
88 min
Delay when late
8,741
Flights

Cancelled

2.2%

Best Month

Mar 2024 88%

Worst Month

May 2025 36%

Distance

212 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 125 31 0 0 YX,UA
Nov 2025 117 38 2 0 UA
Oct 2025 124 34 0 0 UA
Sep 2025 122 35 0 0 UA
Aug 2025 124 49 1 0 UA
Jul 2025 124 53 8 1 UA
Jun 2025 122 54 1 0 UA,YX
May 2025 144 92 7 0 UA,YX
Apr 2025 143 60 5 1 UA,YX
Mar 2025 128 30 0 0 YX,UA
Feb 2025 111 21 1 0 UA,YX
Jan 2025 115 30 2 0 UA
Dec 2024 115 41 1 0 UA
Nov 2024 117 31 1 0 UA
Oct 2024 122 31 1 0 UA,YX
Sep 2024 113 26 0 0 UA
Aug 2024 118 34 12 0 YX,UA
Jul 2024 120 47 6 0 UA,YX
Jun 2024 115 36 7 0 UA,YX
May 2024 119 36 0 1 YX,UA
Apr 2024 104 33 0 0 UA
Mar 2024 122 15 1 0 YX,UA
Feb 2024 102 15 1 0 UA,YX
Jan 2024 93 14 7 0 YX,UA

Cancellation Rate

2.2%

64 of 2,859 flights

Diversion Rate

0.1%

3 of 2,859 flights

What the Data Says About IAD to EWR

On-time performance on the IAD to EWR pairing (Washington to Newark) trails a chunk of the network: 74.5% of 8,741 tracked flights arrived on schedule, with a 87.5-minute average delay on the ones that ran late. The route spans about 212 miles across 3 carriers. Cancellations over the trailing 24 months hit 2.2% (64 of 2,859 flights), with 0.1% diverted.

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 88% on-time, while May 2025 came in at just 36% - a 52-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IAD to EWR?
Flights from Washington to Newark have a 74.5% on-time rate based on 8,741 flights. The average delay is 87.5 minutes. The best recent month was Mar 2024 with 88% on-time.
What is the cancellation rate for IAD to EWR?
Over the last 24 months, 2.2% of flights on this route were cancelled (64 of 2,859 flights) and 0.1% were diverted.
How far is the flight from IAD to EWR?
The flight distance from Washington (IAD) to Newark (EWR) is approximately 212 miles. This route is served by 3 carriers.
When is the best time to fly from IAD to EWR?
The best recent month for on-time performance was Mar 2024 (88% on-time). The worst was May 2025 (36% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.