UA4070 IAH → BHM

United Airlines · Houston, TX to Birmingham, AL · 96 flights observed, 2026-01-07 to 2026-04-30 · 562 mi

UA4070 covers more than one route in the data window — the stats below are for IAH → BHM, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-16 min
90th percentile
+7 min
Cancellation rate
1%

How often is UA4070 on time?

Across 96 flights on IAH → BHM from 2026-01-07 to 2026-04-30, UA4070 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +7 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8792%
16-30 min11%
31-60 min44%
61-120 min33%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011894%-17 min
2026-022195%-11 min
2026-032685%-1 min
2026-043093%-13 min

Performance by day of week

DayFlightsOn-time
Mon1675%
Tue1385%
Wed1392%
Thu17100%
Fri16100%
Sat1191%
Sun9100%

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