Flight OddsIAH → TYS United Airlines
United Airlines · Houston, TX to Knoxville, TN · 1,366 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers
On-time arrival
83%
Median delay
-9 min
90th percentile
+41 min
Cancellation rate
1%
How on-time is United Airlines from IAH to TYS?
Across every United Airlines flight number on IAH → TYS (1,366 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +41 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,108 | 83% |
| 16-30 min | 66 | 5% |
| 31-60 min | 69 | 5% |
| 61-120 min | 61 | 5% |
| 2+ hrs | 37 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 120 | 70% | +24 min |
| 2025-08 | 120 | 74% | +7 min |
| 2025-09 | 116 | 94% | -8 min |
| 2025-10 | 123 | 85% | +5 min |
| 2025-11 | 118 | 79% | +9 min |
| 2025-12 | 120 | 78% | +6 min |
| 2026-01 | 104 | 88% | -2 min |
| 2026-02 | 103 | 92% | -5 min |
| 2026-03 | 117 | 85% | +11 min |
| 2026-04 | 117 | 85% | -2 min |
| 2026-05 | 93 | 84% | -2 min |
| 2026-06 | 90 | 81% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 194 | 80% |
| Tue | 191 | 85% |
| Wed | 193 | 88% |
| Thu | 197 | 86% |
| Fri | 194 | 77% |
| Sat | 180 | 81% |
| Sun | 192 | 81% |
UA flight numbers on IAH → TYS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…