BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORD→EWR

Chicago, IL (ORD) to Newark, NJ (EWR) flight delay odds

67.0% of 6,044 official scheduled ORD-to-EWR flights arrived on time; 21.7% arrived at least 30 minutes late and 3.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
67.0%arrived on time
21.7%30+ min late
3.3%cancelled
6,044scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.7%all scheduled flights
120+ minutes late6.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+18.2 mincompleted flights

Which departure time was most reliable for ORD to EWR?

Among qualifying ORD-to-EWR departure window results, Early morning had the highest on-time rate: 87.6% of 1,280 flights. Evening was lowest at 51.8% across 1,379 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,28087.6%6.8%2.6%
Late morning1,11370.6%17.2%2.7%
Afternoon1,92363.4%24.4%3.1%
Evening1,37951.8%34.4%4.4%
Night34960.2%25.5%4.0%

Which weekday was most reliable for ORD to EWR?

Among qualifying ORD-to-EWR weekday results, Tuesday had the highest on-time rate: 74.0% of 872 flights. Sunday was lowest at 60.5% across 885 flights.

DayFlightsOn time30+ minCancelled
Monday88664.4%23.3%5.1%
Tuesday87274.0%17.0%1.4%
Wednesday85070.0%19.2%1.8%
Thursday87464.3%23.0%3.2%
Friday88768.7%20.5%2.1%
Saturday79067.6%22.2%3.2%
Sunday88560.5%26.7%6.0%

Which airline was most reliable for ORD to EWR?

Among qualifying ORD-to-EWR airline results, Envoy Air had the highest on-time rate: 75.0% of 657 flights. Spirit Airlines was lowest at 36.3% across 157 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines4,39169.5%20.0%2.4%
American Airlines73753.5%33.5%3.8%
Envoy Air65775.0%14.0%5.2%
Spirit Airlines15736.3%40.1%14.6%
Republic Airways10254.9%31.4%7.8%

Which month was most reliable for ORD to EWR?

Among qualifying ORD-to-EWR month results, May 2026 had the highest on-time rate: 80.8% of 552 flights. July 2025 was lowest at 50.4% across 498 flights.

MonthFlightsOn time30+ minCancelled
July 202549850.4%35.9%6.6%
August 202549362.3%27.6%1.2%
September 202547371.2%18.6%1.5%
October 202550262.5%25.5%0.4%
November 202552164.5%22.8%5.8%
December 202551260.9%26.4%1.8%
January 202647969.7%16.5%5.6%
February 202644068.4%16.8%7.3%
March 202651066.3%20.0%4.7%
April 202653577.2%15.3%1.5%
May 202655280.8%13.8%0.9%
June 202652968.4%21.4%2.6%

What drove ORD to EWR delay minutes?

National airspace was the largest recorded ORD-to-EWR delay category, accounting for 38.0% of 148,206 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.1%
Late aircraft34.3%
National airspace38.0%
Weather7.5%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.