Flight OddsUA4887 IAH → TYS
United Airlines · Houston, TX to Knoxville, TN · 284 flights observed, 2025-07-01 to 2026-05-20 · 771 mi
UA4887 covers more than one route in the data window — the stats below are for IAH → TYS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-10 min
90th percentile
+21 min
Cancellation rate
0%
How often is UA4887 on time?
Across 284 flights on IAH → TYS from 2025-07-01 to 2026-05-20, UA4887 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +21 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 | 245 | 87% |
| 16-30 min | 14 | 5% |
| 31-60 min | 9 | 3% |
| 61-120 min | 12 | 4% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | -1 min |
| 2025-08 | 31 | 84% | -3 min |
| 2025-09 | 30 | 93% | -9 min |
| 2025-10 | 30 | 87% | -5 min |
| 2025-11 | 30 | 80% | +8 min |
| 2025-12 | 31 | 81% | +6 min |
| 2026-01 | 5 | 100% | -9 min |
| 2026-02 | 16 | 88% | -6 min |
| 2026-03 | 29 | 93% | -6 min |
| 2026-04 | 29 | 93% | -9 min |
| 2026-05 | 20 | 85% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 85% |
| Tue | 40 | 90% |
| Wed | 40 | 95% |
| Thu | 40 | 90% |
| Fri | 41 | 78% |
| Sat | 41 | 83% |
| Sun | 40 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…