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

Newark, NJ (EWR) to Atlanta, GA (ATL) flight delay odds

Historically, 74.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 6,290 flights.

HISTORICAL ROUTE SIGNALVariable
74.7%arrived on time
15.2%30+ min late
3.4%cancelled
6,290scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.2%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+8.5 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 morning2,10580.4%9.9%2.9%
Late morning87377.9%12.8%4.2%
Afternoon1,74276.1%14.8%2.1%
Evening1,20663.7%23.6%5.0%
Night36463.5%25.0%5.2%

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
Monday93869.5%18.3%6.1%
Tuesday91878.2%10.8%2.8%
Wednesday89282.2%12.1%0.9%
Thursday93777.4%14.5%1.9%
Friday93576.4%13.4%2.7%
Saturday75073.9%16.9%2.4%
Sunday92065.3%20.2%6.6%

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
Delta Air Lines3,05577.1%12.9%3.4%
United Airlines1,96375.1%16.1%2.6%
Frontier Airlines70867.7%19.9%3.1%
Spirit Airlines42563.8%21.2%8.0%
Republic Airways13984.2%7.2%1.4%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202553960.1%23.6%6.3%
August 202553776.9%14.3%1.5%
September 202552083.5%10.8%0.4%
October 202553670.1%19.2%1.1%
November 202551668.4%18.6%4.7%
December 202552467.9%21.8%3.4%
January 202651373.1%13.3%6.4%
February 202648779.3%9.2%7.8%
March 202656576.5%13.5%3.9%
April 202652785.2%7.8%1.5%
May 202651980.5%13.7%1.0%
June 202650775.1%15.6%3.0%

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.

Airline33.0%
Late aircraft39.2%
National airspace23.4%
Weather4.4%
Security0.1%
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.