Flight OddsUA4009 IAH → BHM
United Airlines · Houston, TX to Birmingham, AL · 4 flights observed, 2025-09-29 to 2025-10-20 · 562 mi
UA4009 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
100%
Median delay
-8 min
90th percentile
+6 min
Cancellation rate
0%
How often is UA4009 on time?
Across 4 flights on IAH → BHM from 2025-09-29 to 2025-10-20, UA4009 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +6 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 4 | 100% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 1 | 100% | -4 min |
| 2025-10 | 3 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…