Flight OddsUA4536 ORD → TYS
United Airlines · Chicago, IL to Knoxville, TN · 99 flights observed, 2026-01-06 to 2026-05-20 · 475 mi
UA4536 covers more than one route in the data window — the stats below are for ORD → TYS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-6 min
90th percentile
+67 min
Cancellation rate
2%
How often is UA4536 on time?
Across 99 flights on ORD → TYS from 2026-01-06 to 2026-05-20, UA4536 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +67 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 | 73 | 75% |
| 16-30 min | 5 | 5% |
| 31-60 min | 6 | 6% |
| 61-120 min | 10 | 10% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 68% | +6 min |
| 2026-02 | 28 | 89% | -5 min |
| 2026-03 | 28 | 61% | +34 min |
| 2026-05 | 16 | 88% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 12 | 83% |
| Wed | 15 | 80% |
| Thu | 14 | 93% |
| Fri | 15 | 73% |
| Sat | 14 | 71% |
| Sun | 14 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…