Flight OddsUA4407 CHA → ORD
United Airlines · Chattanooga, TN to Chicago, IL · 232 flights observed, 2025-07-01 to 2026-06-30 · 501 mi
UA4407 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
76%
Median delay
-5 min
90th percentile
+86 min
Cancellation rate
2%
How often is UA4407 on time?
Across 232 flights on CHA → ORD from 2025-07-01 to 2026-06-30, UA4407 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +86 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 | 173 | 76% |
| 16-30 min | 16 | 7% |
| 31-60 min | 12 | 5% |
| 61-120 min | 10 | 4% |
| 2+ hrs | 17 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 60% | +33 min |
| 2025-08 | 27 | 81% | +4 min |
| 2025-09 | 27 | 81% | +2 min |
| 2025-10 | 31 | 87% | +1 min |
| 2025-11 | 28 | 54% | +89 min |
| 2025-12 | 16 | 69% | +36 min |
| 2026-02 | 16 | 94% | -9 min |
| 2026-03 | 6 | 67% | +50 min |
| 2026-05 | 17 | 82% | +58 min |
| 2026-06 | 30 | 83% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 71% |
| Tue | 38 | 82% |
| Wed | 33 | 82% |
| Thu | 31 | 74% |
| Fri | 33 | 76% |
| Sat | 29 | 83% |
| Sun | 30 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…