Route · IAD → EWR · 2020–2025 BTS data
Washington to Newark
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to EWR (Washington to Newark) ranks #1382 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 74.5%
- On-time
- -4.5 pts
- vs US avg
- 88 min
- Delay when late
- 8,741
- Flights
- #1382 of 4927
- Corpus placement
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 |
IAD–EWR seasonal on-time pattern
Best: February (81.6%) · weakest: May (65.2%)
Strongest calendar month
February
81.6% on-time · ~117 flights/mo
Busiest calendar month
December
~136 flights/mo avg
Weakest calendar month
May
65.2% on-time · ~119 flights/mo
Cancellation Rate
2.2%
64 of 2,859 flights
Diversion Rate
0.1%
3 of 2,859 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
IAD on-time profileEWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
EWR on-time profileCompare the two airports
See IAD and EWR side by side on delays, cancellations, and reliability.
Compare IAD vs EWROrigin-hub reliability standing
Softer reliability from IAD
Among 58 routes leaving IAD, only 2 (including this one) clear below 75% on-time, while 14 stay ≥85% and 42 sit mid-band. Travelers comparing IAD options should weigh this 74.5% print against those peers · fleet on-time rank #4546 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–EWR.
Routes with a similar on-time rate
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.
On the multi-year calendar, IAD–EWR peaks in February at 81.6% on-time while December carries the heaviest traffic (~136 flights per month) ; the softest month is May at 65.2%, a 16.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAD to EWR rank among US routes by traffic? ▼
How often are flights delayed from IAD to EWR? ▼
What is the cancellation rate for IAD to EWR? ▼
How far is the flight from IAD to EWR? ▼
When is the best time to fly from IAD to EWR? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using IAD–EWR data
IAD–EWR sits 4.5 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare IAD and EWR airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
- If your dates flex, February (81.6% on-time) beats May (65.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 74.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.