UA6151 IAH → SDF

United Airlines · Houston, TX to Louisville, KY · 86 flights observed, 2025-07-01 to 2025-09-24 · 788 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +60 min or later.

UA6151 covers more than one route in the data window — the stats below are for IAH → SDF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-7 min
90th percentile
+60 min
Cancellation rate
3%

How often is UA6151 on time?

Across 86 flights on IAH → SDF from 2025-07-01 to 2025-09-24, UA6151 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +60 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6781%
16-30 min22%
31-60 min56%
61-120 min67%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072871%+18 min
2025-083181%+6 min
2025-092492%-8 min

Performance by day of week

DayFlightsOn-time
Mon1283%
Tue1267%
Wed1292%
Thu1283%
Fri1283%
Sat1275%
Sun1182%

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