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Route Reliability

Newark → Chicago

EWR–ORD · 719 miles · Newark Liberty International Airport to Chicago O'Hare International Airport

64
A Little Dicey
WanderNerd Reliability Score
72%
Arrive within 15 minutes
16 min
Average arrival delay
3.3%
Cancelled
5,984
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines74%1,468 flights
  2. 2.United Airlines72%4,330 flights
  3. 3.Spirit Airlines63%186 flights

What the data says

Morning flights do better here.

EWR–ORD flights departing between 3–6 AM arrived on time 92% of the time, versus 55% between 6–9 PM.

Tuesday comes out ahead.

A small edge: 76% on time on Tuesdays against 69% on Sundays.

American Airlines runs this route best.

American Airlines arrived on time 74% of the time on this route; Spirit Airlines managed 63%.

Keep a backup plan handy.

This route was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon75%(829 flights)
  • Tue76%(825 flights)
  • Wed74%(829 flights)
  • Thu73%(841 flights)
  • Fri69%(844 flights)
  • Sat70%(767 flights)
  • Sun69%(843 flights)
On-time by departure window
  • 3–6 AM92%(47 flights)
  • 6–9 AM85%(1390 flights)
  • 9 AM–12 PM79%(1398 flights)
  • 12–3 PM75%(891 flights)
  • 3–6 PM58%(848 flights)
  • 6–9 PM55%(830 flights)
  • 9 PM–12 AM62%(374 flights)
On-time trend by month
80%
May

Jun 74% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%466
July 202564%465
August 202574%485
September 202581%467
October 202562%500
November 202566%490
December 202569%502
January 202675%448
February 202679%408
March 202667%479
April 202679%521
May 202680%547

Same trip, other airports

Keep nerding

Based on 5,984 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.