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

Atlanta, GA (ATL) to Raleigh/Durham, NC (RDU) flight delay odds

Historically, 79.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,617 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
79.2%arrived on time
12.4%30+ min late
1.4%cancelled
4,617scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.6 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 morning66989.5%5.1%1.2%
Late morning75385.7%7.8%1.3%
Afternoon1,25680.4%11.1%1.0%
Evening1,07977.6%14.6%1.2%
Night86065.8%21.4%2.6%

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
Monday70375.8%13.9%1.7%
Tuesday63382.1%13.1%0.0%
Wednesday62686.4%6.7%0.2%
Thursday68982.1%11.6%0.4%
Friday69776.9%13.3%1.1%
Saturday58579.0%11.3%3.1%
Sunday68473.0%16.2%3.5%

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 Lines3,79982.1%10.1%1.2%
Frontier Airlines57158.5%28.7%2.8%
Southwest Airlines24782.6%10.9%1.2%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202539870.1%20.4%0.8%
August 202540279.1%13.2%0.7%
September 202540191.3%4.5%0.0%
October 202541683.2%9.4%0.0%
November 202539681.6%10.6%1.5%
December 202539575.7%15.4%2.3%
January 202635678.9%8.7%6.2%
February 202632479.6%12.0%0.0%
March 202637669.7%16.8%3.7%
April 202637178.7%12.1%0.5%
May 202639080.3%12.8%1.0%
June 202639281.6%13.0%0.8%

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.

Airline41.0%
Late aircraft38.2%
National airspace13.8%
Weather6.7%
Security0.2%
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.