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

Washington, DC (DCA) to Houston, TX (HOU) flight delay odds

76.0% of 1,056 official scheduled DCA-to-HOU flights arrived on time; 14.8% arrived at least 30 minutes late and 1.8% 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
76.0%arrived on time
14.8%30+ min late
1.8%cancelled
1,056scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.3%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.4 mincompleted flights

Which departure time was most reliable for DCA to HOU?

Among qualifying DCA-to-HOU departure window results, Early morning had the highest on-time rate: 91.2% of 365 flights. Evening was lowest at 61.7% across 326 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36591.2%3.6%1.4%
Afternoon36573.7%15.9%0.8%
Evening32661.7%26.1%3.4%

Which weekday was most reliable for DCA to HOU?

Among qualifying DCA-to-HOU weekday results, Tuesday had the highest on-time rate: 80.5% of 159 flights. Sunday was lowest at 64.7% across 156 flights.

DayFlightsOn time30+ minCancelled
Monday15679.5%14.7%2.6%
Tuesday15980.5%12.6%0.0%
Wednesday15679.5%10.3%0.0%
Thursday15577.4%12.3%2.6%
Friday15674.4%16.0%1.3%
Saturday11876.3%15.3%1.7%
Sunday15664.7%22.4%4.5%

Which airline was most reliable for DCA to HOU?

Only Southwest Airlines met the DCA-to-HOU airline threshold: 76.0% of 1,056 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,05676.0%14.8%1.8%

Which month was most reliable for DCA to HOU?

Among qualifying DCA-to-HOU month results, February 2026 had the highest on-time rate: 90.0% of 80 flights. May 2026 was lowest at 59.1% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 20259362.4%22.6%5.4%
August 20258976.4%13.5%0.0%
September 20258683.7%10.5%0.0%
October 20258588.2%7.1%0.0%
November 20258578.8%12.9%3.5%
December 20259183.5%12.1%0.0%
January 20268980.9%7.9%6.7%
February 20268090.0%5.0%2.5%
March 20269371.0%19.4%2.2%
April 20268780.5%11.5%0.0%
May 20268859.1%23.9%0.0%
June 20269061.1%28.9%1.1%

What drove DCA to HOU delay minutes?

Late aircraft was the largest recorded DCA-to-HOU delay category, accounting for 50.4% of 14,702 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.2%
Late aircraft50.4%
National airspace20.2%
Weather4.2%
Security0.0%
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.