Flight OddsUA1211 ORD → TYS
United Airlines · Chicago, IL to Knoxville, TN · 45 flights observed, 2026-03-05 to 2026-05-20 · 475 mi
UA1211 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
57%
Median delay
+10 min
90th percentile
+95 min
Cancellation rate
2%
How often is UA1211 on time?
Across 45 flights on ORD → TYS from 2026-03-05 to 2026-05-20, UA1211 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +95 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 | 25 | 57% |
| 16-30 min | 8 | 18% |
| 31-60 min | 5 | 11% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 4 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 39% | +46 min |
| 2026-04 | 1 | 100% | -15 min |
| 2026-05 | 20 | 75% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 6 | 17% |
| Wed | 6 | 50% |
| Thu | 7 | 86% |
| Fri | 6 | 50% |
| Sat | 7 | 71% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…