UA4881 BHM → IAH

United Airlines · Birmingham, AL to Houston, TX · 113 flights observed, 2025-07-01 to 2025-10-25 · 562 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -9 min, while the worst 10% run +72 min or later.

UA4881 covers more than one route in the data window — the stats below are for BHM → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
74%
Median delay
-9 min
90th percentile
+72 min
Cancellation rate
0%

How often is UA4881 on time?

Across 113 flights on BHM → IAH from 2025-07-01 to 2025-10-25, UA4881 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +72 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8474%
16-30 min98%
31-60 min65%
61-120 min54%
2+ hrs98%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073161%+23 min
2025-083174%+25 min
2025-092986%-13 min
2025-102277%+6 min

Performance by day of week

DayFlightsOn-time
Mon1275%
Tue1771%
Wed1765%
Thu1782%
Fri1765%
Sat1788%
Sun1675%

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