Flight OddsUA4312 IAH → MOB
United Airlines · Houston, TX to Mobile, AL · 269 flights observed, 2025-09-25 to 2026-06-30 · 427 mi
UA4312 covers more than one route in the data window — the stats below are for IAH → MOB, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-11 min
90th percentile
+43 min
Cancellation rate
1%
How often is UA4312 on time?
Across 269 flights on IAH → MOB from 2025-09-25 to 2026-06-30, UA4312 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +43 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 224 | 85% |
| 16-30 min | 9 | 3% |
| 31-60 min | 13 | 5% |
| 61-120 min | 7 | 3% |
| 2+ hrs | 11 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 6 | 100% | -12 min |
| 2025-10 | 31 | 84% | +28 min |
| 2025-11 | 28 | 82% | +28 min |
| 2025-12 | 26 | 85% | 0 min |
| 2026-01 | 26 | 92% | -10 min |
| 2026-02 | 27 | 89% | +14 min |
| 2026-03 | 29 | 86% | -3 min |
| 2026-04 | 30 | 83% | +1 min |
| 2026-05 | 31 | 84% | +1 min |
| 2026-06 | 30 | 77% | +79 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 90% |
| Tue | 39 | 82% |
| Wed | 35 | 89% |
| Thu | 38 | 87% |
| Fri | 40 | 80% |
| Sat | 34 | 79% |
| Sun | 39 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…