Washington, DC → Houston, TX flight delays
DCA → IAH · all airlines · 282 flights · April 2026 · source: US BTS
This route is delayed
17%of the time, by +84 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
83%
Delayed 3h+
1.4%
Cancelled
0%
Avg when late
+84m
Best & worst day to fly
Most on-time
Wednesday
delayed 8%
Worst
Sunday
delayed 36%
Which airline is most punctual on DCA → IAH?
Uniteddelayed 15%
PSAdelayed 21%
Frequently asked
How often is the Washington, DC to Houston, TX flight delayed?
About 17% of DCA → IAH flights arrive late (15+ minutes), by an average of 84 minutes when they do, based on 282 flights in April 2026.
Which airline is most punctual on DCA → IAH?
United, delayed 15% of the time — the best of the 2 airlines flying this route.
What is the best day to fly DCA → IAH?
Wednesday is the most on-time (delayed 8%), while Sunday is the worst (delayed 36%).
Airport overviews