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

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

Historically, 67.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 6,044 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.