Flight OddsUA4479 ORD → TYS
United Airlines · Chicago, IL to Knoxville, TN · 28 flights observed, 2026-04-01 to 2026-04-28 · 475 mi
UA4479 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
64%
Median delay
0 min
90th percentile
+126 min
Cancellation rate
0%
How often is UA4479 on time?
Across 28 flights on ORD → TYS from 2026-04-01 to 2026-04-28, UA4479 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +126 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 | 18 | 64% |
| 16-30 min | 1 | 4% |
| 31-60 min | 4 | 14% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 3 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 28 | 64% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 50% |
| Wed | 4 | 25% |
| Thu | 4 | 50% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| 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…