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Route Reliability

Houston → Raleigh–Durham

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

75
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
12 min
Average arrival delay
0.6%
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 70% of the time across 354 flights. No comparison to make.

What the data says

Morning flights do better here.

HOU–RDU flights departing between 9 AM–12 PM arrived on time 83% of the time, versus 56% between 3–6 PM.

Sunday scaries are real for this one.

HOU–RDU flights arrived on time 79% of the time on Saturdays and just 59% on Sundays. That gap is worth planning around.

Recent months have been rougher.

HOU–RDU flights arrived on time 60% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(52 flights)
  • Tue72%(43 flights)
  • Wed77%(43 flights)
  • Thu65%(52 flights)
  • Fri71%(52 flights)
  • Sat79%(47 flights)
  • Sun59%(63 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM83%(158 flights)
  • 12–3 PM61%(120 flights)
  • 3–6 PM56%(45 flights)
  • 6–9 PM64%(28 flights)
On-time trend by month
66%
May

Jun 33% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202533%30
July 202558%31
August 202578%23
September 202586%21
October 202565%34
November 202588%33
December 202585%33
January 202685%27
February 202689%27
March 202650%26
April 202666%32
May 202666%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.