Flight OddsUA4914 IAD → TYS
United Airlines · Washington, DC to Knoxville, TN · 365 flights observed, 2025-07-01 to 2026-06-30 · 420 mi
On-time arrival
73%
Median delay
-9 min
90th percentile
+121 min
Cancellation rate
2%
How often is UA4914 on time?
Across 365 flights on IAD → TYS from 2025-07-01 to 2026-06-30, UA4914 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +121 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 259 | 73% |
| 16-30 min | 22 | 6% |
| 31-60 min | 18 | 5% |
| 61-120 min | 21 | 6% |
| 2+ hrs | 36 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 41% | +49 min |
| 2025-08 | 31 | 65% | +47 min |
| 2025-09 | 29 | 86% | +3 min |
| 2025-10 | 31 | 77% | +3 min |
| 2025-11 | 30 | 77% | +3 min |
| 2025-12 | 31 | 55% | +94 min |
| 2026-01 | 27 | 81% | +6 min |
| 2026-02 | 27 | 85% | -4 min |
| 2026-03 | 31 | 84% | +11 min |
| 2026-04 | 30 | 97% | -19 min |
| 2026-05 | 31 | 61% | +49 min |
| 2026-06 | 29 | 66% | +72 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 79% |
| Tue | 51 | 82% |
| Wed | 52 | 85% |
| Thu | 51 | 73% |
| Fri | 51 | 65% |
| Sat | 49 | 67% |
| Sun | 50 | 58% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…