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Route Reliability

Houston → Washington

HOU–DCA · 1,218 miles · William P. Hobby Airport to Ronald Reagan Washington National Airport

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
13 min
Average arrival delay
1.3%
Cancelled
1,056
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 71% of the time across 1,056 flights. No comparison to make.

What the data says

Morning-you made the right choice.

HOU–DCA flights departing between 6–9 AM arrived on time 92% of the time, versus 56% between 6–9 PM.

Friday is doing you no favors.

HOU–DCA flights arrived on time 80% of the time on Saturdays. On Fridays: 68%.

Recent months have been rougher.

HOU–DCA flights arrived on time 67% of the time over the last three months in the data, compared with 78% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon69%(154 flights)
  • Tue77%(154 flights)
  • Wed68%(155 flights)
  • Thu70%(152 flights)
  • Fri68%(151 flights)
  • Sat80%(117 flights)
  • Sun70%(151 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM92%(328 flights)
  • 9 AM–12 PM73%(86 flights)
  • 12–3 PM62%(257 flights)
  • 3–6 PM71%(49 flights)
  • 6–9 PM56%(309 flights)
On-time trend by month
70%
May

Jun 60% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%88
July 202573%90
August 202574%88
September 202578%85
October 202555%85
November 202581%82
December 202579%91
January 202680%85
February 202676%78
March 202658%88
April 202672%87
May 202670%87

Same trip, other airports

Keep nerding

Based on 1,056 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.