Flight OddsUA4392 CHA → ORD
United Airlines · Chattanooga, TN to Chicago, IL · 141 flights observed, 2025-07-01 to 2026-05-20 · 501 mi
UA4392 covers more than one route in the data window — the stats below are for CHA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-7 min
90th percentile
+91 min
Cancellation rate
1%
How often is UA4392 on time?
Across 141 flights on CHA → ORD from 2025-07-01 to 2026-05-20, UA4392 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +91 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 111 | 80% |
| 16-30 min | 7 | 5% |
| 31-60 min | 4 | 3% |
| 61-120 min | 6 | 4% |
| 2+ hrs | 10 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 90% | +20 min |
| 2025-08 | 18 | 89% | +32 min |
| 2025-10 | 6 | 67% | +2 min |
| 2025-11 | 30 | 73% | +30 min |
| 2025-12 | 30 | 73% | +20 min |
| 2026-01 | 4 | 100% | -13 min |
| 2026-04 | 1 | 100% | -13 min |
| 2026-05 | 20 | 80% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 81% |
| Tue | 19 | 79% |
| Wed | 20 | 80% |
| Thu | 19 | 84% |
| Fri | 19 | 95% |
| Sat | 20 | 75% |
| Sun | 20 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…