UA6255 STL → IAH

United Airlines · St. Louis, MO to Houston, TX · 52 flights observed, 2025-10-26 to 2025-12-17 · 667 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 57% on Fridays.

UA6255 covers more than one route in the data window — the stats below are for STL → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-13 min
90th percentile
+32 min
Cancellation rate
2%

How often is UA6255 on time?

Across 52 flights on STL → IAH from 2025-10-26 to 2025-12-17, UA6255 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +32 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4384%
16-30 min24%
31-60 min48%
61-120 min00%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%-3 min
2025-112893%+12 min
2025-121771%+62 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue8100%
Wed888%
Thu683%
Fri757%
Sat6100%
Sun888%

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