Flight OddsUA477 IAH → CHS
United Airlines · Houston, TX to Charleston, SC · 30 flights observed, 2026-01-06 to 2026-02-11 · 925 mi
UA477 covers more than one route in the data window — the stats below are for IAH → CHS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-9 min
90th percentile
+20 min
Cancellation rate
0%
How often is UA477 on time?
Across 30 flights on IAH → CHS from 2026-01-06 to 2026-02-11, UA477 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +20 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 | 26 | 87% |
| 16-30 min | 1 | 3% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 86% | +6 min |
| 2026-02 | 9 | 89% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 100% |
| Wed | 5 | 80% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…