Flight OddsUA4507 ORD → CHA
United Airlines · Chicago, IL to Chattanooga, TN · 191 flights observed, 2025-07-01 to 2026-06-30 · 501 mi
UA4507 covers more than one route in the data window — the stats below are for ORD → CHA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+3 min
90th percentile
+159 min
Cancellation rate
6%
How often is UA4507 on time?
Across 191 flights on ORD → CHA from 2025-07-01 to 2026-06-30, UA4507 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +159 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 109 | 61% |
| 16-30 min | 11 | 6% |
| 31-60 min | 16 | 9% |
| 61-120 min | 14 | 8% |
| 2+ hrs | 29 | 16% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 50% | +114 min |
| 2025-08 | 16 | 63% | +119 min |
| 2025-10 | 6 | 50% | +28 min |
| 2025-11 | 27 | 63% | +38 min |
| 2025-12 | 28 | 57% | +34 min |
| 2026-01 | 5 | 60% | +11 min |
| 2026-03 | 2 | 100% | -7 min |
| 2026-04 | 29 | 52% | +54 min |
| 2026-05 | 11 | 91% | -17 min |
| 2026-06 | 27 | 70% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 65% |
| Tue | 26 | 73% |
| Wed | 25 | 52% |
| Thu | 24 | 46% |
| Fri | 25 | 64% |
| Sat | 26 | 62% |
| Sun | 27 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…