Flight OddsUnited Airlines · Houston, TX to Jackson/Vicksburg, MS · 299 flights observed, 2025-07-01 to 2026-06-30 · 351 mi
UA4320 covers more than one route in the data window — the stats below are for IAH → JAN, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4320 on time?
Across 299 flights on IAH → JAN from 2025-07-01 to 2026-06-30, UA4320 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +36 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 | 234 | 79% |
| 16-30 min | 22 | 7% |
| 31-60 min | 18 | 6% |
| 61-120 min | 11 | 4% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 79% | +30 min |
| 2025-08 | 29 | 76% | +4 min |
| 2025-09 | 20 | 90% | -7 min |
| 2025-10 | 6 | 50% | +18 min |
| 2025-11 | 29 | 72% | +6 min |
| 2025-12 | 15 | 67% | +5 min |
| 2026-01 | 21 | 90% | -7 min |
| 2026-02 | 27 | 93% | -8 min |
| 2026-03 | 29 | 86% | +2 min |
| 2026-04 | 30 | 77% | +4 min |
| 2026-05 | 31 | 87% | +27 min |
| 2026-06 | 30 | 63% | +58 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 86% |
| Tue | 40 | 85% |
| Wed | 46 | 78% |
| Thu | 43 | 81% |
| Fri | 42 | 71% |
| Sat | 37 | 81% |
| Sun | 43 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…