Flight OddsUA434 CHS → IAH
United Airlines · Charleston, SC to Houston, TX · 35 flights observed, 2026-05-22 to 2026-06-30 · 925 mi
UA434 covers more than one route in the data window — the stats below are for CHS → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
+1 min
90th percentile
+16 min
Cancellation rate
0%
How often is UA434 on time?
Across 35 flights on CHS → IAH from 2026-05-22 to 2026-06-30, UA434 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +16 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 | 31 | 89% |
| 16-30 min | 3 | 9% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 9 | 89% | +1 min |
| 2026-06 | 26 | 88% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 6 | 100% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 6 | 100% |
| Sat | 6 | 100% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…