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

UA 1720 · Houston (IAH) → Baltimore (BWI)

Sold by United. Still flying: 56 of the last 56 days (Daily).

Arrives on time81%within 15 minutes, of 163 flights
Cancelled0.0%of scheduled flights
An hour or more late6%of flights that operated
When late, on average81 minlate, among flights 15+ min late

Schedule

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

Leaves IAH
12:16
Arrives BWI
16:30
Flight time
3h 14m
Days flown, last 8 weeks
56 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 late19%
30+ min late13%
1h+ late6%
2h+ late3%
10%20%30%40%50% 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 12–1 pm, wherever they’re going: 84% left within 15 minutes and 0.9% were cancelled (19,691 flights in the year). Other United flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.