Flight OddsUA4890 IAH → TYS
United Airlines · Houston, TX to Knoxville, TN · 284 flights observed, 2025-07-01 to 2026-04-29 · 771 mi
On-time arrival
82%
Median delay
-8 min
90th percentile
+46 min
Cancellation rate
1%
How often is UA4890 on time?
Across 284 flights on IAH → TYS from 2025-07-01 to 2026-04-29, UA4890 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +46 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 | 230 | 82% |
| 16-30 min | 11 | 4% |
| 31-60 min | 19 | 7% |
| 61-120 min | 13 | 5% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 70% | +21 min |
| 2025-08 | 24 | 75% | +5 min |
| 2025-09 | 30 | 93% | -8 min |
| 2025-10 | 31 | 87% | -7 min |
| 2025-11 | 30 | 80% | +17 min |
| 2025-12 | 31 | 74% | +8 min |
| 2026-01 | 26 | 88% | -2 min |
| 2026-02 | 25 | 100% | -8 min |
| 2026-03 | 31 | 74% | +17 min |
| 2026-04 | 29 | 79% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 76% |
| Tue | 42 | 86% |
| Wed | 44 | 84% |
| Thu | 43 | 88% |
| Fri | 43 | 67% |
| Sat | 31 | 90% |
| Sun | 35 | 86% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…