Flight OddsUA4228 BHM → IAH
United Airlines · Birmingham, AL to Houston, TX · 145 flights observed, 2025-07-02 to 2026-06-29 · 562 mi
UA4228 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
+91 min
Cancellation rate
5%
How often is UA4228 on time?
Across 145 flights on BHM → IAH from 2025-07-02 to 2026-06-29, UA4228 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +91 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 101 | 74% |
| 16-30 min | 6 | 4% |
| 31-60 min | 9 | 7% |
| 61-120 min | 11 | 8% |
| 2+ hrs | 10 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 61% | +31 min |
| 2025-08 | 26 | 69% | +15 min |
| 2025-09 | 21 | 76% | +8 min |
| 2025-10 | 5 | 80% | -4 min |
| 2025-11 | 20 | 85% | +4 min |
| 2025-12 | 15 | 80% | -6 min |
| 2026-01 | 5 | 100% | -27 min |
| 2026-05 | 6 | 50% | +61 min |
| 2026-06 | 16 | 75% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 73% |
| Tue | 9 | 89% |
| Wed | 18 | 78% |
| Thu | 24 | 88% |
| Fri | 24 | 50% |
| Sat | 13 | 69% |
| Sun | 23 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…