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

Raleigh/Durham, NC (RDU) to Austin, TX (AUS) flight delay odds

78.5% of 516 official scheduled RDU-to-AUS flights arrived on time; 13.0% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
78.5%arrived on time
13.0%30+ min late
0.6%cancelled
516scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.0 mincompleted flights

Which departure time was most reliable for RDU to AUS?

Among qualifying RDU-to-AUS departure window results, Early morning had the highest on-time rate: 92.1% of 140 flights. Evening was lowest at 69.6% across 92 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning14092.1%5.7%0.7%
Late morning4680.4%15.2%0.0%
Afternoon23873.5%14.7%0.8%
Evening9269.6%18.5%0.0%

Which weekday was most reliable for RDU to AUS?

Among qualifying RDU-to-AUS weekday results, Wednesday had the highest on-time rate: 86.2% of 65 flights. Sunday was lowest at 67.6% across 68 flights.

DayFlightsOn time30+ minCancelled
Monday8577.6%12.9%0.0%
Tuesday6982.6%13.0%0.0%
Wednesday6586.2%9.2%0.0%
Thursday8477.4%13.1%0.0%
Friday8879.5%10.2%1.1%
Saturday5778.9%10.5%1.8%
Sunday6867.6%22.1%1.5%

Which airline was most reliable for RDU to AUS?

Only Southwest Airlines met the RDU-to-AUS airline threshold: 78.5% of 516 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines51678.5%13.0%0.6%

Which month was most reliable for RDU to AUS?

Among qualifying RDU-to-AUS month results, December 2025 had the highest on-time rate: 91.3% of 46 flights. May 2026 was lowest at 61.4% across 44 flights.

MonthFlightsOn time30+ minCancelled
July 20255366.0%26.4%0.0%
August 20253381.8%9.1%3.0%
September 20253090.0%3.3%0.0%
October 20255288.5%3.8%0.0%
November 20254776.6%12.8%0.0%
December 20254691.3%6.5%0.0%
January 20263588.6%0.0%5.7%
February 20263588.6%2.9%0.0%
March 20264479.5%13.6%0.0%
April 20264379.1%16.3%0.0%
May 20264461.4%25.0%0.0%
June 20265463.0%24.1%0.0%

What drove RDU to AUS delay minutes?

Late aircraft was the largest recorded RDU-to-AUS delay category, accounting for 48.5% of 5,839 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.2%
Late aircraft48.5%
National airspace21.7%
Weather1.3%
Security2.2%
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.