Flight OddsUA4501 TYS → ORD
United Airlines · Knoxville, TN to Chicago, IL · 28 flights observed, 2026-04-01 to 2026-04-28 · 475 mi
UA4501 covers more than one route in the data window — the stats below are for TYS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-12 min
90th percentile
+153 min
Cancellation rate
4%
How often is UA4501 on time?
Across 28 flights on TYS → ORD from 2026-04-01 to 2026-04-28, UA4501 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +153 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 72% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 12% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 4 | 16% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 25 | 72% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 4 | 50% |
| Wed | 4 | 25% |
| Thu | 2 | 100% |
| Fri | 4 | 75% |
| Sat | 4 | 100% |
| 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…