Flight OddsUA3998 CLT → IAH
United Airlines · Charlotte, NC to Houston, TX · 36 flights observed, 2026-01-06 to 2026-02-11 · 912 mi
UA3998 covers more than one route in the data window — the stats below are for CLT → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-16 min
90th percentile
+16 min
Cancellation rate
6%
How often is UA3998 on time?
Across 36 flights on CLT → IAH from 2026-01-06 to 2026-02-11, UA3998 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +16 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 30 | 88% |
| 16-30 min | 1 | 3% |
| 31-60 min | 1 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 92% | -6 min |
| 2026-02 | 10 | 80% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 83% |
| Wed | 5 | 80% |
| Thu | 5 | 100% |
| Fri | 5 | 100% |
| Sat | 4 | 75% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…