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

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

Historically, 74.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,976 flights.

HISTORICAL ROUTE SIGNALVariable
74.3%arrived on time
15.6%30+ min late
3.1%cancelled
1,976scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.1%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+7.2 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 morning37689.4%6.6%2.1%
Late morning37778.5%13.3%2.1%
Afternoon79771.1%16.4%4.0%
Evening35264.5%23.3%3.7%
Night7456.8%28.4%1.4%

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
Monday30069.3%16.3%4.0%
Tuesday27379.5%14.3%2.9%
Wednesday26579.6%11.7%0.8%
Thursday29672.3%15.2%2.7%
Friday29575.9%16.9%1.4%
Saturday24477.5%16.8%2.0%
Sunday30367.7%17.8%7.6%

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
United Airlines1,51574.5%16.0%2.3%
Republic Airways24190.5%2.9%3.3%
Spirit Airlines22055.0%26.8%8.6%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202514467.4%18.1%8.3%
August 202514476.4%19.4%0.0%
September 202514180.1%12.8%1.4%
October 202517067.6%20.6%0.6%
November 202519066.3%21.6%3.2%
December 202517963.7%21.8%3.4%
January 202615572.9%11.0%7.7%
February 202615772.6%12.7%8.9%
March 202617572.6%19.4%0.6%
April 202619784.8%9.1%1.5%
May 202617486.2%5.7%1.1%
June 202615081.3%15.3%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.

Airline26.5%
Late aircraft47.4%
National airspace23.3%
Weather2.8%
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.