Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

UA 2311 · Houston (IAH) → Washington (DCA)

Sold by United. Still flying: 17 of the last 56 days.

Arrives on time84%within 15 minutes, of 275 flights
Cancelled0.4%of scheduled flights
An hour or more late4%of flights that operated
When late, on average54 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Washington is 1 h ahead of Houston).

Leaves IAH
09:47
Arrives DCA
13:57
Flight time
3h 10m
Days flown, last 8 weeks
17 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late16%
30+ min late10%
1h+ late4%
2h+ late1%
10%20%30%40% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at IAH

All flights leaving Houston (IAH) at 9–10 am, wherever they’re going: 86% left within 15 minutes and 0.9% were cancelled (13,430 flights in the year). Other United flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.