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Route Reliability

Raleigh–Durham → Houston

RDU–HOU · 1,050 miles · Raleigh–Durham International Airport to William P. Hobby Airport

88
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
0 min
Average arrival delay
0.8%
Cancelled
354
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 84% of the time across 354 flights. No comparison to make.

What the data says

Morning flights do better here.

RDU–HOU flights departing between 6–9 AM arrived on time 100% of the time, versus 67% between 6–9 PM.

Wednesdays have been rough.

RDU–HOU flights arrived on time 90% of the time on Thursdays and just 74% on Wednesdays. That gap is worth planning around.

Recent months have been rougher.

RDU–HOU flights arrived on time 74% of the time over the last three months in the data, compared with 84% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon88%(51 flights)
  • Tue83%(42 flights)
  • Wed74%(43 flights)
  • Thu90%(52 flights)
  • Fri83%(52 flights)
  • Sat81%(47 flights)
  • Sun86%(63 flights)
On-time by departure window
  • 3–6 AM80%(20 flights)
  • 6–9 AM100%(29 flights)
  • 9 AM–12 PM95%(97 flights)
  • 12–3 PM94%(50 flights)
  • 3–6 PM77%(73 flights)
  • 6–9 PM67%(81 flights)
On-time trend by month
63%
May

Jun 83% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202587%30
August 2025100%23
September 2025100%21
October 202585%34
November 202591%33
December 202576%33
January 202692%26
February 202685%27
March 202689%26
April 202672%32
May 202663%35

Same trip, other airports

Keep nerding

Based on 354 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.