Flight OddsUA3489 ORD → CHA
United Airlines · Chicago, IL to Chattanooga, TN · 37 flights observed, 2026-01-06 to 2026-02-11 · 501 mi
UA3489 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
71%
Median delay
-12 min
90th percentile
+63 min
Cancellation rate
5%
How often is UA3489 on time?
Across 37 flights on ORD → CHA from 2026-01-06 to 2026-02-11, UA3489 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +63 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 71% |
| 16-30 min | 4 | 11% |
| 31-60 min | 2 | 6% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 71% | +2 min |
| 2026-02 | 11 | 73% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 100% |
| Wed | 6 | 83% |
| Thu | 5 | 60% |
| Fri | 3 | 100% |
| Sat | 5 | 40% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…