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

UA 334 · Houston (IAH) → New York (LGA)

Sold by United. Still flying: 53 of the last 56 days (Daily).

Arrives on time61%within 15 minutes, of 167 flights
Cancelled2.4%of scheduled flights
An hour or more late21%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 (New York is 1 h ahead of Houston).

Leaves IAH
16:15
Arrives LGA
20:59
Flight time
3h 44m
Days flown, last 8 weeks
53 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 late39%
30+ min late30%
1h+ late21%
2h+ late9%
20%40%60% 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 4–5 pm, wherever they’re going: 78% left within 15 minutes and 1.2% were cancelled (14,289 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.