UA320 DEN → IAH

United Airlines · Denver, CO to Houston, TX · 364 flights observed, 2025-07-01 to 2026-06-30 · 861 mi

This flight has a strong track record — on time 97% of the time, with a low cancellation rate.

UA320 covers more than one route in the data window — the stats below are for DEN → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
97%
Median delay
-16 min
90th percentile
+1 min
Cancellation rate
1%

How often is UA320 on time?

Across 364 flights on DEN → IAH from 2025-07-01 to 2026-06-30, UA320 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +1 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time35197%
16-30 min72%
31-60 min00%
61-120 min31%
2+ hrs10%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073197%-9 min
2025-0830100%-11 min
2025-0930100%-11 min
2025-103194%-13 min
2025-1130100%-17 min
2025-1231100%-15 min
2026-013097%-18 min
2026-0227100%-19 min
2026-033187%-1 min
2026-043097%-15 min
2026-0531100%-19 min
2026-063093%-9 min

Performance by day of week

DayFlightsOn-time
Mon5294%
Tue53100%
Wed51100%
Thu5198%
Fri5296%
Sat5294%
Sun5196%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…