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

UA 6156 · Houston (IAH) → Pittsburgh (PIT)

Sold by United, flown by Mesa. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2026-05-20.

Arrives on time86%within 15 minutes, of 44 flights
Cancelled0.0%of scheduled flights
An hour or more late5%of flights that operated
When late, on average62 minlate, among flights 15+ min late

Schedule

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

Leaves IAH
07:30
Arrives PIT
11:12
Flight time
2h 42m
Days flown, last 8 weeks
0 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 late14%
30+ min late9%
1h+ late5%
2h+ late2%
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 7–8 am, wherever they’re going: 91% left within 15 minutes and 0.9% were cancelled (15,734 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.