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

Raleigh/Durham, NC (RDU) to Newark, NJ (EWR) flight delay odds

Historically, 72.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,975 flights.

HISTORICAL ROUTE SIGNALVariable
72.4%arrived on time
17.5%30+ min late
3.3%cancelled
1,975scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.0%all scheduled flights
120+ minutes late5.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+12.6 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 morning45090.4%4.0%1.6%
Late morning43584.1%9.0%1.8%
Afternoon47970.8%18.6%2.3%
Evening58851.9%32.1%6.6%

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
Monday30372.9%17.2%4.6%
Tuesday27377.7%14.3%2.2%
Wednesday26475.4%14.0%0.8%
Thursday29366.9%21.5%3.1%
Friday29572.5%18.3%1.7%
Saturday24875.0%16.9%2.8%
Sunday29967.6%19.4%7.4%

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 Airlines1,51774.2%16.7%2.2%
Republic Airways23983.3%9.6%3.3%
Spirit Airlines21948.4%31.5%10.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202514453.5%30.6%9.7%
August 202514465.3%30.6%0.0%
September 202514179.4%10.6%1.4%
October 202517060.0%30.0%0.6%
November 202519068.4%22.6%3.7%
December 202517858.4%26.4%5.1%
January 202615580.6%9.0%7.1%
February 202615779.0%8.9%7.0%
March 202617569.7%18.3%0.6%
April 202619783.8%8.6%2.0%
May 202617490.8%4.0%1.1%
June 202615078.0%11.3%2.0%

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.

Airline12.9%
Late aircraft26.7%
National airspace57.2%
Weather3.3%
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.