Flight OddsUA4324 TYS → IAD
United Airlines · Knoxville, TN to Washington, DC · 301 flights observed, 2025-07-01 to 2026-04-29 · 420 mi
UA4324 covers more than one route in the data window — the stats below are for TYS → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-16 min
90th percentile
+30 min
Cancellation rate
2%
How often is UA4324 on time?
Across 301 flights on TYS → IAD from 2025-07-01 to 2026-04-29, UA4324 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +30 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 | 253 | 86% |
| 16-30 min | 11 | 4% |
| 31-60 min | 16 | 5% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 62% | +43 min |
| 2025-08 | 31 | 84% | +0 min |
| 2025-09 | 30 | 90% | -11 min |
| 2025-10 | 31 | 97% | -15 min |
| 2025-11 | 29 | 76% | +5 min |
| 2025-12 | 31 | 94% | -18 min |
| 2026-01 | 27 | 96% | -24 min |
| 2026-02 | 27 | 96% | -21 min |
| 2026-03 | 30 | 77% | +3 min |
| 2026-04 | 29 | 90% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 83% |
| Tue | 44 | 80% |
| Wed | 43 | 88% |
| Thu | 42 | 90% |
| Fri | 41 | 78% |
| Sat | 41 | 88% |
| Sun | 41 | 95% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…