UA4066 IAH → COS

United Airlines · Houston, TX to Colorado Springs, CO · 130 flights observed, 2026-01-06 to 2026-05-20 · 809 mi

This flight has a strong track record — on time 95% of the time, with a low cancellation rate.

UA4066 covers more than one route in the data window — the stats below are for IAH → COS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
95%
Median delay
-18 min
90th percentile
+4 min
Cancellation rate
2%

How often is UA4066 on time?

Across 130 flights on IAH → COS from 2026-01-06 to 2026-05-20, UA4066 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +4 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time12195%
16-30 min32%
31-60 min00%
61-120 min43%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012190%-5 min
2026-0227100%-16 min
2026-033090%-13 min
2026-043097%-16 min
2026-052095%-12 min

Performance by day of week

DayFlightsOn-time
Mon1989%
Tue2090%
Wed20100%
Thu19100%
Fri1995%
Sat1486%
Sun17100%

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