Flight OddsUA5399 ORD → TYS
United Airlines · Chicago, IL to Knoxville, TN · 68 flights observed, 2025-08-19 to 2025-10-25 · 475 mi
UA5399 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
68%
Median delay
+3 min
90th percentile
+45 min
Cancellation rate
0%
How often is UA5399 on time?
Across 68 flights on ORD → TYS from 2025-08-19 to 2025-10-25, UA5399 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +45 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 | 46 | 68% |
| 16-30 min | 12 | 18% |
| 31-60 min | 6 | 9% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -7 min |
| 2025-09 | 30 | 63% | +12 min |
| 2025-10 | 25 | 56% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 10 | 70% |
| Wed | 10 | 70% |
| Thu | 10 | 80% |
| Fri | 10 | 70% |
| Sat | 10 | 60% |
| Sun | 9 | 44% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…