UA4309 IAH → BTR

United Airlines · Houston, TX to Baton Rouge, LA · 118 flights observed, 2025-09-25 to 2026-03-04 · 253 mi

UA4309 covers more than one route in the data window — the stats below are for IAH → BTR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-9 min
90th percentile
+18 min
Cancellation rate
0%

How often is UA4309 on time?

Across 118 flights on IAH → BTR from 2025-09-25 to 2026-03-04, UA4309 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +18 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time10488%
16-30 min54%
31-60 min43%
61-120 min33%
2+ hrs22%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09683%+14 min
2025-102576%+3 min
2025-122990%-4 min
2026-013090%-7 min
2026-022496%-3 min
2026-034100%-16 min

Performance by day of week

DayFlightsOn-time
Mon1788%
Tue1889%
Wed15100%
Thu1894%
Fri1889%
Sat1587%
Sun1771%

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