UA6172 IAH → STL

United Airlines · Houston, TX to St. Louis, MO · 53 flights observed, 2025-10-26 to 2025-12-17 · 667 mi

This flight has a strong track record — on time 94% of the time, with a low cancellation rate.

UA6172 covers more than one route in the data window — the stats below are for IAH → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
94%
Median delay
-11 min
90th percentile
+7 min
Cancellation rate
2%

How often is UA6172 on time?

Across 53 flights on IAH → STL from 2025-10-26 to 2025-12-17, UA6172 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +7 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4994%
16-30 min12%
31-60 min12%
61-120 min00%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%-13 min
2025-112993%-3 min
2025-121794%-8 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue8100%
Wed8100%
Thu771%
Fri7100%
Sat6100%
Sun8100%

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