UA5921 TYS → ORD
United Airlines · Knoxville, TN to Chicago, IL · 208 flights observed, 2025-07-01 to 2026-04-29 · 475 mi
UA5921 covers more than one route in the data window — the stats below are for TYS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-10 min
90th percentile
+41 min
Cancellation rate
2%
How often is UA5921 on time?
Across 208 flights on TYS → ORD from 2025-07-01 to 2026-04-29, UA5921 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +41 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 | 160 | 79% |
| 16-30 min | 18 | 9% |
| 31-60 min | 10 | 5% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 11 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 83% | +6 min |
| 2025-08 | 31 | 87% | -8 min |
| 2025-09 | 18 | 94% | -15 min |
| 2025-10 | 30 | 100% | -10 min |
| 2025-11 | 27 | 74% | +26 min |
| 2025-12 | 1 | 0% | +82 min |
| 2026-02 | 17 | 65% | +13 min |
| 2026-03 | 24 | 42% | +81 min |
| 2026-04 | 25 | 80% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 81% |
| Tue | 29 | 83% |
| Wed | 29 | 83% |
| Thu | 32 | 81% |
| Fri | 30 | 67% |
| Sat | 22 | 77% |
| Sun | 30 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…