OnTimeRoutes
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Republic Airways DCA to IAH on-time performance

Republic Airways nonstop flights from Washington to Houston · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.

On-time arrivals
76%
arrived < 15 min late
Cancelled
5.1%
26 flights
Avg arrival delay
15 min
56 min when late
Rank on route
#2 of 3
route average 81% on time

Key facts

  • Republic Airways flights on DCA to IAH arrived on time 76% of the time in Aug 2025 – Jul 2026.
  • 5.1% were cancelled, and 8% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 81% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (49%).

On-time trend by month

50%75%100%September 2025: 74.3% on time, 0.0% cancelledSep ’25October 2025: 81.7% on time, 0.0% cancelledOct ’25November 2025: 75.0% on time, 9.3% cancelledNov ’25December 2025: 69.7% on time, 2.6% cancelledDec ’25January 2026: 75.7% on time, 10.8% cancelledJan ’26February 2026: 70.9% on time, 6.8% cancelledFeb ’26March 2026: 82.0% on time, 7.4% cancelledMar ’26April 2026: 80.0% on time, 0.0% cancelledApr ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft49%
  • Air traffic control & airport congestion27%
  • Airline (crew, maintenance, cleaning, fueling)19%
  • Extreme weather6%
  • Security0%

Other airlines on DCA to IAH

511 Republic Airways flights tracked on this route; 26 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.