Flight OddsUA4551 ORD → TYS
United Airlines · Chicago, IL to Knoxville, TN · 5 flights observed, 2026-06-26 to 2026-06-30 · 475 mi
UA4551 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
60%
Median delay
-15 min
90th percentile
+21 min
Cancellation rate
0%
How often is UA4551 on time?
Across 5 flights on ORD → TYS from 2026-06-26 to 2026-06-30, UA4551 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 3 | 60% |
| 16-30 min | 2 | 40% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 5 | 60% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 1 | 0% |
| Sat | 1 | 100% |
| Sun | 1 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…